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55574-1 — PIN,QUICK RELEASE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

55574-1: PIN,QUICK RELEASE.

The PIN,QUICK RELEASE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_diameter: 0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN, actuation_method: PUSH BUTTON, style_designator: RING HANDLE, pin_attachment_type: RING, detent_to_tapered_end_distance: 0.433 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-353-4176, 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
55574-1
NSN: 5315-01-353-4176
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 84256 — AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_diameter0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
actuation_methodPUSH BUTTON
style_designatorRING HANDLE
pin_attachment_typeRING
detent_to_tapered_end_distance0.433 INCHES NOMINAL IN
NSN5315-01-353-4176
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 55574-1 · 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
•
SHANK DIAMETER: 0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
•
ACTUATION METHOD: PUSH BUTTON
•
DETENT TO TAPERED END DISTANCE: 0.433 INCHES NOMINAL IN
•
PIN ATTACHMENT TYPE: RING
•
STYLE DESIGNATOR: RING HANDLE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
ACTUATION METHODPUSH BUTTON
DETENT TO TAPERED END DISTANCE0.433 INCHES NOMINAL IN
PIN ATTACHMENT TYPERING
STYLE DESIGNATORRING HANDLE
MATERIALSTEEL OVERALL
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 55574-1?
55574-1 is a PIN,QUICK RELEASE.
What is the NSN for 55574-1?
55574-1 is cataloged in the U.S. Government catalog under NSN 5315-01-353-4176. 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.