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1L31 — IDLER PIN

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1L31: IDLER PIN.

The IDLER PIN is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-132-2001, 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
1L31
NSN: 5315-01-132-2001
NIINs: 011322001, 011760822
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 61178 — TUTHILL CORPORATION DBA TUTHILL PUMP GROUP (USA)
SPECIFICATIONS
Part Number1L31
NSN5315-01-132-2001
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1L31 · 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 1
N1019HPC31Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1L31?
1L31 is a IDLER PIN.
What parts can replace 1L31?
There is 1 known substitute for 1L31: N1019HPC31. Substitute compatibility should be verified for your specific system.
What is the NSN for 1L31?
1L31 is cataloged in the U.S. Government catalog under NSN 5315-01-132-2001. This indicates validated use in U.S. government and defense supply chains.
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