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316723A — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

316723A: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.562 INCHES NOMINAL IN, material_thickness: 0.062 INCHES NOMINAL IN, third_hole_diameter: 0.969 INCHES NOMINAL IN, tapered_key_minor_width: 0.625 INCHES NOMINAL IN, external_straight_key_length: 0.865 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-394-8757, 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
316723A
NSN: 5310-00-394-8757
FSC: 5310 — Nuts and Washers
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.562 INCHES NOMINAL IN
material_thickness0.062 INCHES NOMINAL IN
third_hole_diameter0.969 INCHES NOMINAL IN
tapered_key_minor_width0.625 INCHES NOMINAL IN
external_straight_key_length0.865 INCHES NOMINAL IN
overall_distance_including_keys1.125 INCHES NOMINAL IN
NSN5310-00-394-8757
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 316723A · 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
•
EXTERNAL STRAIGHT KEY LENGTH: 0.865 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 1.125 INCHES NOMINAL IN
•
THIRD HOLE DIAMETER: 0.969 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
TAPERED KEY MINOR WIDTH: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
EXTERNAL STRAIGHT KEY LENGTH0.865 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS1.125 INCHES NOMINAL IN
THIRD HOLE DIAMETER0.969 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
TAPERED KEY MINOR WIDTH0.625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.562 INCHES NOMINAL 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 1
95J571PC28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 316723A?
316723A is a WASHER,KEY.
What parts can replace 316723A?
There is 1 known substitute for 316723A: 95J571PC28. Substitute compatibility should be verified for your specific system.
What is the NSN for 316723A?
316723A is cataloged in the U.S. Government catalog under NSN 5310-00-394-8757. 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.