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PartsTable / COMPONENT / 251938
251938 ✓ 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 color: BLACK, width: 1.000 INCHES IN, length: 60.000 YARDS, material: PLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED, specific_use: RECORD TYPING, type/model_designation: DATA PRODUCTS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-436-7718, 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
251938
NSN: 5310-00-436-7718
FSC: 5310
CAGE: 0KDP7 — KIDDE-FENWAL, LLC (USA)
SPECIFICATIONS
colorBLACK
width1.000 INCHES IN
length60.000 YARDS
materialPLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED
specific_useRECORD TYPING
type/model_designationDATA PRODUCTS
end_item_identificationB-300 AND B-600
NSN5310-00-436-7718
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 251938 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
101289Interchangeable
interchangeable cross-reference
interchangeable
251938Interchangeable
interchangeable cross-reference
interchangeable
420033Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 251938?
251938 is a WASHER,SPRING TENSION.
What parts can replace 251938?
There are 3 known substitutes for 251938: 101289, 251938, 420033. Substitute compatibility should be verified for your specific system.
What is the NSN for 251938?
251938 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-436-7718. 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