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845-6556492 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

845-6556492: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 5.657 INCHES NOMINAL IN, outside_diameter: 5.790 INCHES NOMINAL IN, external_key_quantity: 19, external_straight_key_width: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN, overall_distance_including_keys: 6.911 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-382-3070, 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
845-6556492
NSN: 5310-01-382-3070
NIINs: 013823070, 014130330
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter5.657 INCHES NOMINAL IN
outside_diameter5.790 INCHES NOMINAL IN
external_key_quantity19
external_straight_key_width0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
overall_distance_including_keys6.911 INCHES NOMINAL IN
NSN5310-01-382-3070
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 845-6556492 · 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
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CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
SUBSTITUTES & CROSS-REFERENCES 2
845-6603141-43Reference document
Same NSN cross-reference
Reference document — Secondary reference
845-6800704-043Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 845-6556492?
845-6556492 is a WASHER,KEY.
What parts can replace 845-6556492?
There are 2 known substitutes for 845-6556492: 845-6603141-43, 845-6800704-043. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-6556492?
845-6556492 is cataloged in the U.S. Government catalog under NSN 5310-01-382-3070. 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.