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A3142026 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A3142026: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, hole_diameter: 0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM, outside_diameter: 0.755 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN, special_features: 0.050 IN.MOUNTING HOLE-ON END;WASHER STYLE:NO.113; IN, material_thickness: 0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-327-6416, 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
A3142026
NSN: 5310-01-327-6416
FSC: 5310 — Nuts and Washers
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialRUBBER OVERALL
hole_diameter0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
outside_diameter0.755 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
special_features0.050 IN.MOUNTING HOLE-ON END;WASHER STYLE:NO.113; IN
material_thickness0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
external_straight_key_width0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
distance_from_centerline_to_end_of_key1.850 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
NSN5310-01-327-6416
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A3142026 · 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
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
•
OUTSIDE DIAMETER: 0.755 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO END OF KEY: 1.850 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
•
MATERIAL: RUBBER OVERALL
•
HOLE DIAMETER: 0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
OUTSIDE DIAMETER0.755 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
MATERIAL THICKNESS0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO END OF KEY1.850 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN
SPECIAL FEATURES0.050 IN.MOUNTING HOLE-ON END;WASHER STYLE:NO.113; IN
MATERIALRUBBER OVERALL
HOLE DIAMETER0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 A3142026?
A3142026 is a WASHER,KEY.
What is the NSN for A3142026?
A3142026 is cataloged in the U.S. Government catalog under NSN 5310-01-327-6416. 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.