NSN 5305-00-558-8943 NIIN — Machine Screw

National Stock number : 5305-00-558-8943

Machine Screw


Available Quantity 52,964
Available Conditions NE NS AR
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 02/11/2026
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

Machine Screw

Thread Class

3a

Thread Direction

RIGHT-Hand

Thread Length

0.438in. ⁓29/64"

Fastener Length

0.470in. and 0.500in. ⁓1/2"

Head Style

pan no. 2

Head Diameter

0.256in. and 0.270in.

Head Height

0.087in. and 0.097in. ⁓7/64"

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.138in. (UTS #6)

Thread Quantity Per Inch

32

Minimum Tensile Strength

160000 pounds per square inch

Screw Material

steel comp 4037 or steel comp 8630

Screw Material Document And Classification

ams 6300 assn std 1st material response or MIL-S-6050 mil spec 2nd material response

Screw Surface Treatment

cadmium

Screw Surface Treatment Document And Classification

QQ-P-416, ty 1, cl 3 fed spec single treatment response

Thread Series Designator

unc

Specification/standard Data

80205-NAS601 professional/industrial association standard

Pricing and Availability Quote

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National Stock Number
5305-00-558-8943
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