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477-1008 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

477-1008: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include special_features: HUMIDITY SENSOR WITH RTD, end_item_identification: SHIP,OHIO CLASS SSN (TRIDENT. This part is cataloged in the U.S.

Government catalog under NSN 2805-01-046-4039, 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
477-1008
NSN: 2805-01-046-4039
NIINs: 010464039, 013726979
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 99121 — PRECISION RINGS INCORPORATED (USA)
SPECIFICATIONS
special_featuresHUMIDITY SENSOR WITH RTD
end_item_identificationSHIP,OHIO CLASS SSN (TRIDENT
NSN2805-01-046-4039
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 477-1008 MFR RING,PISTON
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-450 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
JOINT STYLE: INTERLOCKING JOINT
•
RADIAL WALL THICKNESS: 0.1250 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
STANDARD BORE DIAMETER: 2.758 INCHES IN
•
MATERIAL: COPPER ALLOY 612-CANCELED OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.0930 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-450 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEINTERLOCKING JOINT
RADIAL WALL THICKNESS0.1250 INCHES NOMINAL IN
RING STYLECONCENTRIC
STANDARD BORE DIAMETER2.758 INCHES IN
MATERIALCOPPER ALLOY 612-CANCELED OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 477-1008?
477-1008 is a RING,PISTON.
What is the NSN for 477-1008?
477-1008 is cataloged in the U.S. Government catalog under NSN 2805-01-046-4039. 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.