NAS498

NAS498 Close Tolerance Screw
Home » Catalog » Fasteners (p. 5749) » Close Tolerance Screws (p. 207) » Part Number NAS498

Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.

Part Number:
Quantity Requested:
Your Email:
Full Name:
Contact Phone:
Company:

Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

Datasheet. NAS498 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3a

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.276in. ⁓9/32"

Fastener Length
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.

1.011in. and 1.041in. ⁓1-3/64"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

flat countersunk

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

0.376in. and 0.385in.

Grip Diameter
The length of a straight line which passes through the center of the grip,and terminates at the circumference.

0.1885in. and 0.1895in.

Shank Unthreaded Hole Diameter
The length of a straight line which passes through the center of the shank unthreaded hole,and terminates at the inside circumference.

0.070in. first hole

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

cross recess type 1

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.190in. (UTS #10)

Grip Length
A measurement of the longest dimension of the grip,in distinction from width.

0.750in.

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

32

Minimum Tensile Strength
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.

160000 pounds per square inch

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

36.0 rockwell c and 40.0 rockwell c

Countersink Angle
The included angle of the countersink.

99.0 degrees and 101.0 degrees

Distance From Head Largest Bearing Surface To Shank Hole Center
The distance from the shank hole centerline to the largest bearing surface of the head.

0.909in. first hole

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 4140 or steel comp E4340 or steel comp 6150 or steel comp 8735 or steel comp 8740

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

MIL-S-5626 mil spec 1st material response or MIL-S-5000 mil spec 2nd material response or MIL-S-8503 mil spec 3rd material response or MIL-S-6098 mil spec 4th material response or MIL-S-6049 mil spec 5th material response

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

cadmium

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-P-416, ty 1, cl 3 fed spec single treatment response

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf

Specification/standard Data
The document designator of the specification or standard which established the item of supply.

80205-NAS1203 professional/industrial association standard

Answers.

What class is the thread series?

Unf

What material is the close tolerance screw made of ?

Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740

What is the thread quantity per inch?

32

What is the grip length?

0.750 inches

What is the head style?

Flat countersunk

What is the thread length?

0.276 inches minimum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for NAS498?

5305-00-680-7500

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of NAS498?

FSC 5305 ⁓ Screws

NSN 5305-00-680-7500 SCREW,CLOSE TOLERANCE

unf thread series cadmium surface treated 32 thread quantity per inch 0.750" grip length flat countersunk head style 0.276" thread length right-hand 3a thread class

NIIN
006807500
NIIN Date
01/01/63
Schedule B
7318152000 
Name Code
29294
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$2.43 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. NAS1203-12D Cage 80205
2. NAS1203-12D Cage 80539
3. NAS1203-12D Cage 07851
4. NAS1203-12D Cage 50568
5. NAS1203-12D Cage 73197
6. NAS1203-12D Cage L4528
7. NAS1203-12D Cage 56878
8. NAS1203-12D Cage 04348
9. NAS1203-12D Cage 30902
10. NAS120-12D Cage 71563
11. NAS1203-12D Cage 82172
12. NAS1203-12D Cage 08938
13. NAS1203-12D Cage 56878
14. NAS1203-12D Cage 80205
15. NAS1203-12D Cage 73197
16. NAS1203-12D Cage 80539
17. NAS1203-12D Cage 07851
18. NAS1203-12D Cage 50568
19. NAS1203-12D Cage L4528
20. NAS1203-12D Cage 08938
21. NAS1203-12D Cage 30902
22. NAS120-12D Cage 71563
23. NAS1203-12D Cage 82172
24. NAS1203-12D Cage 04348
25. NAS1203-12D Cage 56878
26. NAS1203-12D Cage 80205
27. NAS1203-12D Cage 07851
28. NAS1203-12D Cage 50568
29. NAS1203-12D Cage 73197
30. NAS1203-12D Cage 80539
31. NAS1203-12D Cage L4528
32. NAS1203-12D Cage 08938
33. NAS1203-12D Cage 30902
34. NAS120-12D Cage 71563
35. NAS1203-12D Cage 82172
36. NAS1203-12D Cage 04348
37. NAS1203-12D Cage 56878
38. NAS1203-12D Cage 80205
39. NAS1203-12D Cage 50568
40. NAS1203-12D Cage 73197
41. NAS1203-12D Cage 80539
42. NAS1203-12D Cage 07851
43. NAS1203-12D Cage L4528
44. NAS1203-12D Cage 08938
45. NAS1203-12D Cage 30902
46. NAS120-12D Cage 71563
47. NAS1203-12D Cage 82172
48. NAS1203-12D Cage 04348
49. NAS1203-12D Cage 56878

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Army 
  • - Department of The Air Force 
  • - U.s. Coast Guard 
  • - Slovenia 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Malaysia 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - New Zealand 
  • - Republic of Korea 
  • - United Kingdom 
  • - Netherlands 
  • - Portugal 
  • - Italy 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 
  • - Nato Maintenance And Supply Agency 

Availability for NAS498 A member of our team will provide you with a price and availability quote

Request a Quote »

Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

NAS498 / Screw,close toleranceWhat is the formal definition of this item?

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is designed to be held or driven with an inserted driver. it is not designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads.