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Technical Data Sheet
PartsTable / COMPONENT / 4008581
4008581 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The TERMINAL,STUD is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL EXCEPT INSULATION, shank_length: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, thread_length: 0.250 INCHES IN, overall_height: 0.850 INCHES IN, overall_length: 0.185 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN, shank_diameter: 0.1245 INCHES MINIMUM AND 0.1246 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-369-5773, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4008581
NSN: 5315-00-369-5773
FSC: 5315
CAGE: 56946 — G.S. PRECISION, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL EXCEPT INSULATION
shank_length0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
thread_length0.250 INCHES IN
overall_height0.850 INCHES IN
overall_length0.185 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
shank_diameter0.1245 INCHES MINIMUM AND 0.1246 INCHES MAXIMUM IN
first_end_styleCHAMFERED
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
terminal_length0.240 INCHES IN
largest_diameter0.094 INCHES SINGLE END IN
style_designatorSHOULDER
basic_shape_styleNONTUBULAR, HEX
NSN5315-00-369-5773
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4008581 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIRST END TAPER ANGLE: 28.0 DEGREES MINIMUM AND 32.0 DEGREES MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END LOCATION: BOTH ENDS
•
SHANK LENGTH: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
SECOND SHANK LENGTH: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER ANGLE28.0 DEGREES MINIMUM AND 32.0 DEGREES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END LOCATIONBOTH ENDS
SHANK LENGTH0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLECHAMFERED
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
SECOND SHANK LENGTH0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
MATERIALSTEEL COMP 410 OVERALL
SHANK DIAMETER0.1245 INCHES MINIMUM AND 0.1246 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
22NM26Interchangeable
interchangeable cross-reference
interchangeable
1460BInterchangeable
interchangeable cross-reference
interchangeable
535602-21Interchangeable
interchangeable cross-reference
interchangeable
5315PL0847168Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4008581?
4008581 is a TERMINAL,STUD.
What parts can replace 4008581?
There are 4 known substitutes for 4008581: 22NM26, 1460B, 535602-21 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4008581?
4008581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-369-5773. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026