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7328314 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7328314: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL, hole_diameter: 0.891 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN, heat_treatment: OIL QUENCHED, outside_diameter: 1.672 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN, style_designator: KEY, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-732-8314, 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
7328314
NSN: 5310-00-732-8314
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
hole_diameter0.891 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
heat_treatmentOIL QUENCHED
outside_diameter1.672 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN
style_designatorKEY
features_providedCASEHARDENED
material_thickness0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
internal_key_quantity1
internal_straight_key_width0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
material_document_and_classificationQQ0S0698 FED SPEC ALL MATERIAL RESPONSES OVERALL
distance_from_centerline_to_top_of_internal_key0.297 INCHES NOMINAL IN
NSN5310-00-732-8314
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7328314 · 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 STRAIGHT KEY WIDTH: 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.297 INCHES NOMINAL IN
•
HEAT TREATMENT: OIL QUENCHED
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ0S0698 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 1.672 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN
•
FEATURES PROVIDED: CASEHARDENED
•
MATERIAL THICKNESS: 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.297 INCHES NOMINAL IN
HEAT TREATMENTOIL QUENCHED
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ0S0698 FED SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER1.672 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
MATERIAL THICKNESS0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
INTERNAL KEY QUANTITY1
SUBSTITUTES & CROSS-REFERENCES 2
73-1443Reference document
Same NSN cross-reference
Reference document — Secondary reference
5310007328314Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7328314?
7328314 is a WASHER,KEY.
What parts can replace 7328314?
There are 2 known substitutes for 7328314: 73-1443, 5310007328314. Substitute compatibility should be verified for your specific system.
What is the NSN for 7328314?
7328314 is cataloged in the U.S. Government catalog under NSN 5310-00-732-8314. 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.