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A-A-55610-41 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A-A-55610-41: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN, outside_diameter: 0.250 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC OVERALL, material_thickness: 0.031 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-473-7335, 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
A-A-55610-41
NSN: 5310-01-473-7335
FSC: 5310 — Nuts and Washers
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
outside_diameter0.250 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentZINC OVERALL
material_thickness0.031 INCHES MINIMUM IN
material_document_and_classificationASME B18.21.1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-473-7335
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A-A-55610-41 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASME B18.21.1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.250 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.031 INCHES MINIMUM IN
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONASME B18.21.1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.250 INCHES MAXIMUM IN
MATERIAL THICKNESS0.031 INCHES MINIMUM IN
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
A-A-55610Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-A-55610-41?
A-A-55610-41 is a WASHER,LOCK.
What parts can replace A-A-55610-41?
There is 1 known substitute for A-A-55610-41: A-A-55610. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-55610-41?
A-A-55610-41 is cataloged in the U.S. Government catalog under NSN 5310-01-473-7335. 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.