PartsTable
Technical Data Sheet

S612/309 — WASHER,SPECIAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S612/309: WASHER,SPECIAL.

The WASHER,SPECIAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-068-0084, 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
S612/309
NSN: 5310-01-068-0084
FSC: 5310 — Nuts and Washers
CAGE: U2692 — JOHNSON CONTROLS LTD, YORK NAVY SYSTEMS (GBR)
SPECIFICATIONS
Part NumberS612/309
NSN5310-01-068-0084
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S612/309 · 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 8
376L602/AE902/45Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
064-16500AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
664-16500ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
005418321/45Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
64-16500ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
005418321 ITEM 45Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 S612/309?
S612/309 is a WASHER,SPECIAL.
What parts can replace S612/309?
There are 8 known substitutes for S612/309: 376L602/AE902/45, 064-16500A, 664-16500A and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S612/309?
S612/309 is cataloged in the U.S. Government catalog under NSN 5310-01-068-0084. 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.