TX1027C4-18A

TX1027C418A Close Tolerance Screw

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Datasheet. TX1027C4-18A 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.

0.420in. and 0.430in. ⁓7/16"

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.

1.535in. and 1.585in. ⁓1-19/32"

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.

0.385in. and 0.394in.

Spline Major Diameter
The length of a straight line which passes through the center of the largest cross section of a spline,and terminates at the circumference.

0.154in. and 0.156in.

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

0.249in.

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

0.425in.

Point Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.

flat

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

torx

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

0.250in. ⁓1/4"

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

1.115in. and 1.135in.

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

28

Countersink Angle
The included angle of the countersink.

99.0 degrees and 101.0 degrees

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

bolt, 100 degree reduced head, gear drive recess

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

125 ksi shear strength

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

nickel alloy 718

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.

ams 5662 assn std single 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.

passivate

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.

unjf

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unjf

What material is the close tolerance screw made of ?

Nickel alloy 718

What is the thread quantity per inch?

28

What is the grip length?

1.115 inches minimum and 1.135 inches maximum

What is the head style?

Flat countersunk

What is the thread length?

0.420 inches minimum and 0.430 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

3a

What is the NSN for TX1027C4-18A?

5305-01-512-8364

How is this classified for shipping?

Schedule B number: 7508900000
nmfc 096640
Other articles of nickel (excluding cloth, grill & netting of nickel wire)

What's the federal classification of TX1027C4-18A?

FSC 5305 ⁓ Screws

NSN 5305-01-512-8364 SCREW,CLOSE TOLERANCE

unjf thread series passivate surface treated 125 ksi shear strength bolt, 100 degree reduced head, gear drive recess 28 thread quantity per inch 1.115" grip length flat countersunk head style 0.420" thread length right-hand 3a thread class

NIIN
015128364
NIIN Date
09/11/03
Schedule B
7508900000 
Name Code
29294
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$70.00 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
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. 3M1170C4-18A Cage 76301
2. 3M1170D4-18A Cage 76301
3. TX1027D4-18A Cage 06725
4. TX1027D4-18A Cage 06950
5. HP1170D4-18 Cage 0ZC92
6. TX1027D4-18A Cage 27624
7. TX1027D4-18A Cage 56878
8. TX1027D4-18A Cage 73197
9. TX1027D4-18A Cage 80539
10. 11825D4-18A Cage 59563
11. TX1027D4-18A Cage 0PTK6
12. 11825C4-18A Cage 59563
13. 3M1170C4-18A Cage 06710
14. 3M1170D4-18A Cage 06710
15. 3M1170D4-18A Cage 0K6Z0
16. 3M1170C4-18A Cage 0K6Z0
17. 3M1170D4-18A Cage 0ZC92
18. 3M1170C4-18A Cage 0ZC92
19. TX1027D4-18A Cage 17446
20. GS1014C4-18A Cage 1EM77
21. GS1014D4-18A Cage 1EM77
22. 3M1170C4-18A Cage 58998
23. 3M1170D4-18A Cage 58998
24. 11845C4-18A Cage 59563
25. 11845D4-18A Cage 59563
26. TX1027D4-18A Cage 92215
27. 3M1170C4-18A Cage 1VSL7
28. 3M1170D4-18A Cage 1VSL7
29. WC1170D4-18A Cage 60516
30. WC1170C4-18A Cage 60516
31. TX1027D4-18A Cage C4293
32. 3M1170C4-18A Cage 06710
33. 3M1170D4-18A Cage 06710
34. 3M1170D4-18A Cage 0K6Z0
35. 3M1170C4-18A Cage 0K6Z0
36. 3M1170C4-18A Cage 0ZC92
37. 3M1170D4-18A Cage 0ZC92
38. TX1027D4-18A Cage 17446
39. GS1014C4-18A Cage 1EM77
40. GS1014D4-18A Cage 1EM77
41. 3M1170D4-18A Cage 58998
42. 3M1170C4-18A Cage 58998
43. 11845D4-18A Cage 59563
44. 11845C4-18A Cage 59563
45. TX1027D4-18A Cage 92215
46. 3M1170D4-18A Cage 76301
47. TX1027D4-18A Cage 27624
48. TX1027D4-18A Cage 56878
49. TX1027D4-18A Cage 73197
50. TX1027D4-18A Cage 80539
51. TX1027D4-18A Cage 06725
52. TX1027D4-18A Cage 06950
53. HP1170D4-18 Cage 0ZC92
54. 11825D4-18A Cage 59563
55. TX1027D4-18A Cage 0PTK6
56. 3M1170C4-18A Cage 76301
57. 3M1170C4-18A Cage 1VSL7
58. 3M1170D4-18A Cage 1VSL7
59. 11825C4-18A Cage 59563
60. WC1170C4-18A Cage 60516
61. WC1170D4-18A Cage 60516
62. TX1027D4-18A Cage C4293

Major End Users Countries and entities

  • - Department of The Navy 
  • - Australia 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
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
Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
096640 SCREWS, IRON OR STEEL 
UFC (universal freight code)
50600 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

TX1027C4-18A / 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.