NSN 5305-00-058-2066 NIIN — Cap Socket Head Screw

National Stock number : 5305-00-058-2066

Cap Socket Head Screw


Available Quantity 30,184
Available Conditions NS NE SV AR OH
Classification Screws - FSC 5305
Schedule B 7318152000
Stock Check Date 02/10/2026
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

0.341in. ⁓11/32"

Fastener Length

0.375in. ⁓3/8"

Head Style

flat chamfer

Head Diameter

0.176in. and 0.183in.

Head Height

0.108in. and 0.112in. ⁓1/8"

Hole Diameter

0.033in. ⁓3/64"

Internal Drive Style

hexagon

End Item Identification

w/s:missile, ALL-Weather ANTI-Ship, harpoon (AGM-84) ; close in weapon system (CIWS-Phalanx) ; aircraft, osprey V-22Aa, marine corps; aircraft, B-2 bomber (atb) ; aircaft. awacs, E-3A; aircraft, osprey V-22A, air force; aircraft, airlifter C-17A; engine, aircraft F110-GE-400; aircraft (AC-130H, MC-130H, EC-130E, HC-130) ; engine, T55-GA-714A (CH-47)

Nominal Thread Diameter

0.112in. (UTS #4)

Width Across Flats

0.094in. and 0.095in. ⁓7/64"

Hole Quantity

2

Hole Type

drilled

Thread Quantity Per Inch

40

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c and 43.0 rockwell c

Minimum Yield Strength

130000 pounds per square inch

Hole Configuration Style

round

Criticality Code Justification

agav

Material

steel

Material Document And Classification

66 fed std single material response

Surface Treatment

cadmium and chromate

Surface Treatment Document And Classification

QQ-P-416, ty 2, cl 3 fed spec single treatment response

Thread Series Designator

unc

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National Stock Number
5305-00-058-2066
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