NSN 5305-01-541-8550 NIIN — Cap Socket Head Screw

National Stock number : 5305-01-541-8550

Cap Socket Head Screw


Available Quantity 238
Available Conditions NE
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 01/28/2026
Part-Number.info Quality System
  •   ISO 9001:2015 + AS9120B Certifed
  •   Audited supply chain
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   HAZMAT Certified
  •   ITAR and DDTC Registered
AS9120 Certified Supplier

Product Properties


Description

Cap Socket Head Screw

Thread Class

3a

Thread Direction

RIGHT-Hand

Thread Length

0.407in. ⁓27/64"

Fastener Length

0.399in. and 0.415in. ⁓27/64"

Head Style

flat chamfer

Head Diameter

0.593in. and 0.600in.

Head Height

0.183in. and 0.190in. ⁓13/64"

Spline Major Diameter

0.221in.

Internal Drive Style

six spline

Nominal Thread Diameter

0.312in. ⁓5/16"

Thread Quantity Per Inch

24

Material

steel comp XM-13

Thread Series Designator

unf

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National Stock Number
5305-01-541-8550
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