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AEA4960A — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AEA4960A: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 464 OVERALL, hole_diameter: 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN, outside_diameter: 1.209 INCHES MINIMUM AND 1.229 INCHES MAXIMUM IN, material_thickness: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN, external_prebent_key_length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, overall_distance_including_keys: 1.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-209-4161, 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
AEA4960A
NSN: 5310-00-209-4161
FSC: 5310 — Nuts and Washers
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 464 OVERALL
hole_diameter0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
outside_diameter1.209 INCHES MINIMUM AND 1.229 INCHES MAXIMUM IN
material_thickness0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
external_key_quantity1
external_prebent_key_length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
overall_distance_including_keys1.375 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
distance_from_centerline_to_inside_of_prebent_key0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
NSN5310-00-209-4161
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AEA4960A · 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
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
•
EXTERNAL PREBENT KEY LENGTH: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 1.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.209 INCHES MINIMUM AND 1.229 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 1
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS1.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.209 INCHES MINIMUM AND 1.229 INCHES MAXIMUM IN
MATERIAL THICKNESS0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY1
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALCOPPER ALLOY 464 OVERALL
HOLE DIAMETER0.521 INCHES MINIMUM AND 0.541 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 AEA4960A?
AEA4960A is a WASHER,KEY.
What is the NSN for AEA4960A?
AEA4960A is cataloged in the U.S. Government catalog under NSN 5310-00-209-4161. 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.