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Technical Data Sheet
PartsTable / COMPONENT / 7971302
7971302 ✓ 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 PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.093 INCHES NOMINAL IN, diameter: 0.244 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN, material: STEEL COMP 1010 OVERALL, head_style: FLAT CHAMFER, chamfer_length: 0.063 INCHES NOMINAL IN, style_designator: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-257-2379, 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
7971302
NSN: 5315-01-257-2379
FSC: 5315
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
height0.093 INCHES NOMINAL IN
diameter0.244 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN
materialSTEEL COMP 1010 OVERALL
head_styleFLAT CHAMFER
chamfer_length0.063 INCHES NOMINAL IN
style_designatorSTRAIGHT
pin_chamfer_angle15.0 DEGREES NOMINAL
pin_head_diameter0.375 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
under_head_length0.688 INCHES NOMINAL IN
first_hole_diameter0.078 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
NSN5315-01-257-2379
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7971302 · 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
•
HEIGHT: 0.093 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010 OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.375 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 15.0 DEGREES NOMINAL
•
CHAMFER LENGTH: 0.063 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 0.157 INCHES NOMINAL IN
•
FIRST HOLE DIAMETER: 0.078 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.093 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010 OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.375 INCHES NOMINAL IN
PIN CHAMFER ANGLE15.0 DEGREES NOMINAL
CHAMFER LENGTH0.063 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.157 INCHES NOMINAL IN
FIRST HOLE DIAMETER0.078 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633 ASSN STD 2ND TREATMENT RESPONSE OVERALL
UNDER HEAD LENGTH0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
38141Interchangeable
interchangeable cross-reference
interchangeable
6002-298Interchangeable
interchangeable cross-reference
interchangeable
3814-1-GRInterchangeable
interchangeable cross-reference
interchangeable
9107716-00Interchangeable
interchangeable cross-reference
interchangeable
1B9434Interchangeable
interchangeable cross-reference
interchangeable
31317FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7971302?
7971302 is a PIN,STRAIGHT,HEADED.
What parts can replace 7971302?
There are 14 known substitutes for 7971302: 38141, 6002-298, 3814-1-GR and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7971302?
7971302 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-257-2379. 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