B398549

B398549 Cap Hexagon Head Screw

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. B398549 specification

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.

0.750in. ⁓3/4"

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.

0.750in. ⁓3/4"

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

hexagon extended washer

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

0.312in. ⁓5/16"

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

18

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.

unslotted indented hex head washer head machine screw

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

steel property class 18.8

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.

unc

Answers.

What class is the thread series?

Unc

What material is the cap hexagon head screw made of ?

Steel property class 18.8

What is the thread quantity per inch?

18

What is the head style?

Hexagon extended washer

What is the thread length?

0.750 inches

What is the thread direction?

Right-hand

What is the NSN for B398549?

5305-01-601-5867

How is this classified for shipping?

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

What's the federal classification of B398549?

FSC 5305 ⁓ Screws

NSN 5305-01-601-5867 SCREW,CAP,HEXAGON HEAD

unc thread series unslotted indented hex head washer head machine screw 18 thread quantity per inch hexagon extended washer head style 0.750" thread length right-hand

NIIN
016015867
NIIN Date
01/19/12
Schedule B
7318152000 
Name Code
18257
FIIG
A003B0
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. T9HB398549 Cage 1BA20
2. T9IB398549 Cage 1BA20
3. T9IB398549 Cage 1BA20

Major End Users Countries and entities

  • - Australia 

Availability for B398549 A member of our team will provide you with a price and availability quote

Request a Quote »

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

B398549 / Screw,cap,hexagon headWhat is the formal definition of this item?

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.