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04-40179 — PIN,QUICK RELEASE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

04-40179: PIN,QUICK RELEASE.

The PIN,QUICK RELEASE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_diameter: 0.19 INCHES NOMINAL IN, actuation_method: RING, special_features: PIN LENGTH: 1.625, PIN USABLE LENGTH: 1.25 INCHS. CHAIN LOCKING MECH: COTTER PIN, surface_treatment: ZINC OVERALL, pin_attachment_type: RETAINING CHAIN.

This part is cataloged in the U.S. Government catalog under NSN 5315-01-674-8187, 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
04-40179
NSN: 5315-01-674-8187
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_diameter0.19 INCHES NOMINAL IN
actuation_methodRING
special_featuresPIN LENGTH: 1.625, PIN USABLE LENGTH: 1.25 INCHS. CHAIN LOCKING MECH: COTTER PIN
surface_treatmentZINC OVERALL
pin_attachment_typeRETAINING CHAIN
end_item_identification6115-016667896
part_name_assigned_by_controlling_agencyLYNCH,PIN
NSN5315-01-674-8187
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 04-40179 · 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
•
SHANK DIAMETER: 0.19 INCHES NOMINAL IN
•
ACTUATION METHOD: RING
•
PIN ATTACHMENT TYPE: RETAINING CHAIN
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.19 INCHES NOMINAL IN
ACTUATION METHODRING
PIN ATTACHMENT TYPERETAINING CHAIN
SPECIAL FEATURESPIN LENGTH: 1.625, PIN USABLE LENGTH: 1.25 INCHS. CHAIN LOCKING MECH: COTTER PIN
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYLYNCH,PIN
END ITEM IDENTIFICATION6115-016667896
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
90170A651Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 04-40179?
04-40179 is a PIN,QUICK RELEASE.
What parts can replace 04-40179?
There is 1 known substitute for 04-40179: 90170A651. Substitute compatibility should be verified for your specific system.
What is the NSN for 04-40179?
04-40179 is cataloged in the U.S. Government catalog under NSN 5315-01-674-8187. 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.