NSN 5305-01-336-2988 NIIN — Close Tolerance Screw

National Stock number : 5305-01-336-2988

Close Tolerance Screw


Available Quantity 1,807
Available Conditions NE
Classification Screws - FSC 5305
Schedule B 8109900000
Stock Check Date 11/20/2025
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

Close Tolerance Screw

Thread Class

3a

Thread Direction

RIGHT-Hand

Thread Length

0.553in. and 0.603in. ⁓39/64"

Fastener Length

1.313in. and 1.343in. ⁓1-11/32"

Head Style

flat countersunk

Head Diameter

0.449in. and 0.507in.

Grip Diameter

0.2485in. and 0.2495in.

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.250in. ⁓1/4"

Grip Length

0.740in. and 0.760in.

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Countersink Angle

99.0 degrees and 101.0 degrees

Surface Finish

32.0 microinches

Material

titanium alloy uns R56400

Material Document And Classification

ams 4928 assn std single material response or ams 4967 assn std single material response

Surface Treatment

aluminum

Surface Treatment Document And Classification

nas 4006 assn std single treatment response

Thread Series Designator

unjf

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National Stock Number
5305-01-336-2988
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