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Technical Data Sheet
PartsTable / COMPONENT / 7351289
7351289 ✓ 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 WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1566 OVERALL, hole_diameter: 0.812 INCHES NOMINAL IN, overall_height: 0.328 INCHES NOMINAL IN, outside_diameter: 2.375 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.031 INCHES NOMINAL 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 5310-00-281-2180, 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
7351289
NSN: 5310-00-281-2180
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1566 OVERALL
hole_diameter0.812 INCHES NOMINAL IN
overall_height0.328 INCHES NOMINAL IN
outside_diameter2.375 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.031 INCHES NOMINAL IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-281-2180
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7351289 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.375 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL: STEEL COMP 1566 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
END ITEM IDENTIFICATIONTRUCK, DUMP, 5-TON, 6X6 (M929, M930); TRUCK, TRACTOR, 5-TON (M818, M931); TRUCK, CARGO, DROPSIDE 2 1/2-TON 6X6 W/E; TRUCK, CARGO, DROPSIDE, 5-TON, 6X6 (M813A1, M-923, M-925); AIRBORNE MOBILE DIR AIR SPT CTL (2ID), (02M JUL83), (AN/UYQ-3A); TRUCK, CARGO, DROPSIDE, XL WB, 5-TON, 6X6 (M814, M927, M928); TRUCK, CARGO, 5-TON, 6X6, XL WB W/E; RADAR SET, FIREFINDER (AN/TPQ-36); TRUCK, 5-TON M939 SERIES; TRUCK, WRECKER, 5-TON (M936) A
OVERALL HEIGHT0.328 INCHES NOMINAL IN
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER2.375 INCHES NOMINAL IN
HOLE DIAMETER0.812 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
MATERIALSTEEL COMP 1566 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
49329Interchangeable
interchangeable cross-reference
interchangeable
49025Interchangeable
interchangeable cross-reference
interchangeable
16137Interchangeable
interchangeable cross-reference
interchangeable
S179-6Interchangeable
interchangeable cross-reference
interchangeable
S176-6Interchangeable
interchangeable cross-reference
interchangeable
737E10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7351289?
7351289 is a WASHER,SPRING TENSION.
What parts can replace 7351289?
There are 8 known substitutes for 7351289: 49329, 49025, 16137 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7351289?
7351289 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-281-2180. 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