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A12988 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A12988: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN, overall_diameter: 0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-247-4196, 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
A12988
NSN: 5310-00-247-4196
FSC: 5310 — Nuts and Washers
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thickness0.032 INCHES NOMINAL IN
hole_diameter0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
overall_diameter0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-247-4196
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A12988 · 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
•
OVERALL DIAMETER: 0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
•
THICKNESS: 0.032 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
THICKNESS0.032 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 8
5310002474196Reference document
Same NSN cross-reference
Reference document — Secondary reference
0325286Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
49034HReference document
Same NSN cross-reference
Reference document — Secondary reference
FC17EReference document
Same NSN cross-reference
Reference document — Secondary reference
35P258Reference document
Same NSN cross-reference
Reference document — Secondary reference
FC17DReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A12988?
A12988 is a WASHER,FLAT.
What parts can replace A12988?
There are 8 known substitutes for A12988: 5310002474196, 0325286, 49034H and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A12988?
A12988 is cataloged in the U.S. Government catalog under NSN 5310-00-247-4196. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.