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473629 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

473629: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 2.125 INCHES NOMINAL IN, outside_diameter: 2.500 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.062 INCHES NOMINAL IN, external_key_quantity: 10. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-395-5166, 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
473629
NSN: 5310-00-395-5166
FSC: 5310 — Nuts and Washers
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter2.125 INCHES NOMINAL IN
outside_diameter2.500 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.062 INCHES NOMINAL IN
external_key_quantity10
internal_prebent_key_width0.188 INCHES NOMINAL IN
external_straight_key_width0.188 INCHES NOMINAL IN
internal_prebent_key_length0.125 INCHES NOMINAL IN
overall_distance_including_keys2.812 INCHES NOMINAL IN
NSN5310-00-395-5166
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 473629 · 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
•
INTERNAL PREBENT KEY WIDTH: 0.188 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 2.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.188 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 10
•
INTERNAL PREBENT KEY LENGTH: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INTERNAL PREBENT KEY WIDTH0.188 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS2.812 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH0.188 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY10
INTERNAL PREBENT KEY LENGTH0.125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER2.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
7971220Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3660090Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 473629?
473629 is a WASHER,KEY.
What parts can replace 473629?
There are 2 known substitutes for 473629: 7971220, 3660090. Substitute compatibility should be verified for your specific system.
What is the NSN for 473629?
473629 is cataloged in the U.S. Government catalog under NSN 5310-00-395-5166. 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.