NSN 5305-00-255-5509 NIIN — Cap Socket Head Screw

National Stock number : 5305-00-255-5509

Cap Socket Head Screw


Available Quantity 15,412
Available Conditions NS NE
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 03/04/2026
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

0.169in. and 0.250in. ⁓1/4"

Fastener Length

0.219in. and 0.250in. ⁓1/4"

Head Style

pan

Head Diameter

0.205in. and 0.219in.

Head Height

0.070in. and 0.080in. ⁓3/32"

Internal Drive Style

cross recess type 1

End Item Identification

M1A2system enhancement prog; AH-64D longbow; tank, combat, ft, 120mm gun (M1A1) ; aircraft, osprey V-22A, air force; engine, aircraft, F100-PW-200 (F-16A/b/c/d) ; engine, aircraft F-100-PW-229 (F15E, F16C/d) ; M1A2 abrams tank; engine, aircraft, F100 PW220 (F-15C/d/e) ; aircraft, osprey V-22A, marine corps

Nominal Thread Diameter

0.112in. (UTS #4)

Thread Quantity Per Inch

40

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c and 40.0 rockwell c

Surface Finish

32.0 microinches threads

Material

steel comp 4140 or steel comp E4340 or steel comp 6150 or steel comp 8735 or steel comp 8740

Material Document And Classification

MIL-S-5626 mil spec 1st material response or MIL-S-5000 mil spec 2nd material response or MIL-S-8503 mil spec 3rd material response or MIL-S-6098 mil spec 4th material response or MIL-S-6049 mil spec 5th material response

Surface Treatment

cadmium and chromate

Surface Treatment Document And Classification

QQ-P-416, ty 2 cl 2 fed spec single treatment response

Thread Series Designator

unjc

Specification/standard Data

80205-NAS1190 professional/industrial association standard

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National Stock Number
5305-00-255-5509
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