NSN 5305-01-256-5789 NIIN — Cap Socket Head Screw

National Stock number : 5305-01-256-5789

Cap Socket Head Screw


Available Quantity 391
Available Conditions NE
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 12/11/2025
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

3a

Thread Direction

RIGHT-Hand

Thread Length

0.490in. and 0.510in. ⁓33/64"

Fastener Length

0.490in. and 0.510in. ⁓33/64"

Head Style

modified pan

Head Diameter

0.154in. and 0.164in.

Head Height

0.038in. and 0.046in. ⁓3/64"

Internal Drive Style

hexagon

Nominal Thread Diameter

0.086in. (UTS #2)

Width Across Flats

0.040in. and 0.060in. ⁓1/16"

Thread Quantity Per Inch

64

Hardness Rating

36.0 rockwell c and 45.0 rockwell c

Material

steel

Surface Treatment

passivate

Surface Treatment Document And Classification

QQ-P-416 type 11, class 3 fed spec single treatment response

Thread Series Designator

unc

Pricing and Availability Quote

Review your quote then place an order for this NSN

National Stock Number
5305-01-256-5789
Quantity:
Your Email:
Phone:
Ref. / PO #:
Company:
Your Name: