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12480656 — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12480656: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, hole_diameter: 1.050 INCHES NOMINAL1.050 INCHES NOMINAL IN, outside_diameter: 1.370 INCHES NOMINAL1.370 INCHES NOMINAL IN, material_thickness: 0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN, end_item_identification: 2320-01-518-7330; TRUCK,UTILITY2320-01-518-7330; TRUCK,UTILITY, material_document_and_classification: ASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-541-6845, 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
12480656
NSN: 5310-01-541-6845
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER OVERALL
hole_diameter1.050 INCHES NOMINAL1.050 INCHES NOMINAL IN
outside_diameter1.370 INCHES NOMINAL1.370 INCHES NOMINAL IN
material_thickness0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
end_item_identification2320-01-518-7330; TRUCK,UTILITY2320-01-518-7330; TRUCK,UTILITY
material_document_and_classificationASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyWASHER,COPPER UPPER ACCESS PLUGWASHER,COPPER UPPER ACCESS PLUG
NSN5310-01-541-6845
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12480656 · 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: ASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.370 INCHES NOMINAL1.370 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
•
MATERIAL: COPPER OVERALL
•
HOLE DIAMETER: 1.050 INCHES NOMINAL1.050 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.370 INCHES NOMINAL1.370 INCHES NOMINAL IN
MATERIAL THICKNESS0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,COPPER UPPER ACCESS PLUGWASHER,COPPER UPPER ACCESS PLUG
END ITEM IDENTIFICATION2320-01-518-7330; TRUCK,UTILITY2320-01-518-7330; TRUCK,UTILITY
MATERIALCOPPER OVERALL
HOLE DIAMETER1.050 INCHES NOMINAL1.050 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12480656?
12480656 is a WASHER,SEAL.
What is the NSN for 12480656?
12480656 is cataloged in the U.S. Government catalog under NSN 5310-01-541-6845. 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.