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8821051 — RADIATOR,ENGINE COOLANT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8821051: RADIATOR,ENGINE COOLANT.

The RADIATOR,ENGINE COOLANT is a the manufacturer industrial component. Key specifications include special_features: WEAPON SYSTEM ESSENTIAL, end_item_identification: 6115-01-274-7390, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-584-9219, 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
8821051
NSN: 5315-00-584-9219
NIINs: 005849219, 013667295
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19203 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV US ARMY RESEARCH, DEVELOPMENT AND ENGINEERING COMMAND ARMAMENT (USA)
SPECIFICATIONS
special_featuresWEAPON SYSTEM ESSENTIAL
end_item_identification6115-01-274-7390
criticality_code_justificationFEAT
NSN5315-00-584-9219
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8821051 · 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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SURFACE FINISH: 32.0 MICROINCHES OUTSIDE DIAMETER
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FIRST END STYLE: RADIUS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5132 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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PIN OVERALL DIAMETER: 0.37475 INCHES MINIMUM AND 0.37525 INCHES MAXIMUM IN
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PIN OVERALL LENGTH: 1.495 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
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SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
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MATERIAL: STEEL COMP 1095 OVERALL
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FIRST END CORNER RADIUS: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER
FIRST END STYLERADIUS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5132 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.37475 INCHES MINIMUM AND 0.37525 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.495 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL COMP 1095 OVERALL
FIRST END CORNER RADIUS0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
MS9164-373Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN122748Same 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 8821051?
8821051 is a RADIATOR,ENGINE COOLANT.
What parts can replace 8821051?
There are 2 known substitutes for 8821051: MS9164-373, AN122748. Substitute compatibility should be verified for your specific system.
What is the NSN for 8821051?
8821051 is cataloged in the U.S. Government catalog under NSN 5315-00-584-9219. 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.