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21-10815 — DISK,CLUTCH,VEHICULAR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

21-10815: DISK,CLUTCH,VEHICULAR.

The DISK,CLUTCH,VEHICULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, end_item_identification: NAVY WEAPON SYSTEM CODE JG SEAWOLF CLASS SSN, valve_design_control_activity: 78062, valve_size_for_which_designed: 4.000 INCHES IN, valve_type_for_which_designed: DIRECTIONAL CONTROL LINEAR, valve_model_number_for_which_designed: P/N 21108-001. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-169-5571, 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
21-10815
NSN: 5310-01-169-5571
NIINs: 011695571, 014184293
FSC: 5310 — Nuts and Washers
CAGE: 66935 — JOHNSON CONTROLS NAVY SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 416
end_item_identificationNAVY WEAPON SYSTEM CODE JG SEAWOLF CLASS SSN
valve_design_control_activity78062
valve_size_for_which_designed4.000 INCHES IN
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
valve_model_number_for_which_designedP/N 21108-001
NSN5310-01-169-5571
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21-10815 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
021-10815Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 21-10815?
21-10815 is a DISK,CLUTCH,VEHICULAR.
What parts can replace 21-10815?
There is 1 known substitute for 21-10815: 021-10815. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-10815?
21-10815 is cataloged in the U.S. Government catalog under NSN 5310-01-169-5571. 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.