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1L501-A — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1L501-A: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-676-0804, 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
1L501-A
NSN: 5310-01-676-0804
FSC: 5310 — Nuts and Washers
CAGE: 61178 — TUTHILL CORPORATION DBA TUTHILL PUMP GROUP (USA)
SPECIFICATIONS
Part Number1L501-A
NSN5310-01-676-0804
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1L501-A · 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
SUBSTITUTES & CROSS-REFERENCES 2
N-1022-H PC 501-ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
N-1022-HReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1L501-A?
1L501-A is a WASHER,FLAT.
What parts can replace 1L501-A?
There are 2 known substitutes for 1L501-A: N-1022-H PC 501-A, N-1022-H. Substitute compatibility should be verified for your specific system.
What is the NSN for 1L501-A?
1L501-A is cataloged in the U.S. Government catalog under NSN 5310-01-676-0804. This indicates validated use in U.S. government and defense supply chains.
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