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2890660-1 — PIN,RELEASE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2890660-1: PIN,RELEASE.

The PIN,RELEASE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-137-5967, 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
2890660-1
NSN: 5315-01-137-5967
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
Part Number2890660-1
NSN5315-01-137-5967
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2890660-1 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STAINLESS STEEL 1C-17-4; CASTING PER MIL-S-81591; PASSIVATE QQ-P-35; 0.938 IN. RING HANDEE DIA; 0.718 IN. RING HANDLE INSIDE DIA; 2.984 IN. LG; 0.500 IN. SHANK DIA; THD SHANK 0.190-32 UNF-3B 1.00 MIN DEPTH FULL THD; GROOVE WIDTH 0.046-0.049 IN.; TEMPER ROCKWELL C 34 MIN 38 MAX; 160.000 MIN TENSILE; 150,000 YIELD IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTAINLESS STEEL 1C-17-4; CASTING PER MIL-S-81591; PASSIVATE QQ-P-35; 0.938 IN. RING HANDEE DIA; 0.718 IN. RING HANDLE INSIDE DIA; 2.984 IN. LG; 0.500 IN. SHANK DIA; THD SHANK 0.190-32 UNF-3B 1.00 MIN DEPTH FULL THD; GROOVE WIDTH 0.046-0.049 IN.; TEMPER ROCKWELL C 34 MIN 38 MAX; 160.000 MIN TENSILE; 150,000 YIELD IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
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 2890660-1?
2890660-1 is a PIN,RELEASE.
What is the NSN for 2890660-1?
2890660-1 is cataloged in the U.S. Government catalog under NSN 5315-01-137-5967. 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.