NSN 5305-00-422-2538

Close Tolerance Screw

FSC: 5305 NIIN: 004222538

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Product Characteristics

NSN:

5305004222538

Demilitarization:

INC:

29294

Shelf Life:

N/A

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.270 inches and 0.326 inches

Fastener Length:

Between 0.925 inches and 0.972 inches

Head Style:

Flat countersunk

Head Diameter:

Between 0.390 inches and 0.395 inches

Grip Diameter:

Between 0.2485 inches and 0.2495 inches

Shank Unthreaded Hole Diameter:

0.066 inches first hole and 0.086 inches first hole

Internal Drive Style:

Offset cruciform (torque set)

Thread Diameter:

0.250 inches

Grip Length:

Between 0.615 inches and 0.635 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

180000 pounds per square inch

Countersink Angle:

Between 99.5 degrees and 100.5 degrees

Distance From Head Largest Bearing Surface To Shank Hole Center:

0.799 inches first hole and 0.866 inches first hole

Surface Finish:

32.0 microinches grip

Material:

Steel comp 6150 or steel comp 8740 or steel comp 4340 or steel comp 4140

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Qq-p-416, ty2 cl3 federal specification single treatment response

Thread Series Designator:

Unjf

Part Numbers

51B581-4-10H
NORTHROP GRUMMAN TECHNICAL SERVICES,

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

7318152000 - Bolts and bolts and their nuts or washers exported in the same shipment.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

Similar NSN

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Cage Codes

NORTHROP GRUMMAN TECHNICAL SERVICES, - 0JRC1