NSN 5305-01-251-3445 NIIN — Cap Socket Head Screw

National Stock number : 5305-01-251-3445

Cap Socket Head Screw


Available Quantity 853
Available Conditions NE NS
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 10/15/2025
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

2a

Thread Direction

RIGHT-Hand

Thread Length

0.400in. and 0.500in. ⁓1/2"

Fastener Length

0.500in. ⁓1/2"

Head Style

flat chamfer

Head Diameter

0.375in.

Head Height

0.244in. and 0.250in. ⁓1/4"

Internal Drive Style

hexagon

Nominal Thread Diameter

0.250in. ⁓1/4"

Width Across Flats

0.188in. ⁓13/64"

Thread Quantity Per Inch

20

Minimum Tensile Strength

180000 pounds per square inch

Hardness Rating

39.0 rockwell c and 45.0 rockwell c

Special Features

verical knurls, color black

Material

steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541

Material Document And Classification

sae grade 8 assn std all material responses

Surface Treatment

oxide

Thread Series Designator

unc

Pricing and Availability Quote

Review your quote then place an order for this NSN

National Stock Number
5305-01-251-3445
Quantity:
Your Email:
Phone:
Ref. / PO #:
Company:
Your Name: