NSN 5305-01-076-6318

Close Tolerance Screw

FSC: 5305 NIIN: 010766318

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Product Characteristics

NSN:

5305010766318

Demilitarization:

INC:

29294

Shelf Life:

N/A

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.349 inches and 0.416 inches

Fastener Length:

Between 1.734 inches and 1.781 inches

Head Style:

Flat countersunk

Head Diameter:

Between 0.469 inches and 0.474 inches

Grip Diameter:

Between 0.3110 inches and 0.3120 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:

0.312 inches

Grip Length:

Between 1.365 inches and 1.385 inches

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

180000 pounds per square inch

Hardness Rating:

39.0 rockwell c and 43.0 rockwell c

Countersink Angle:

Between 99.5 degrees and 100.5 degrees

Distance From Head Largest Bearing Surface To Shank Hole Center:

1.615 inches first hole and 1.662 inches first hole

Surface Finish:

32.0 microinches grip

Material:

Steel comp e4340 or steel comp 4140 or steel comp 8740

Material Specification:

Mil-s-5000 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-6049 military specification 3rd material response

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Qq-p-416 type 2 cl 2 federal specification single treatment response

Thread Series Designator:

Unf

Part Numbers

51B581-5-22H
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