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21505N PC 12 — 21505N PC 12

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21505N PC 12: 21505N PC 12.

The 21505N PC 12 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-456-2998, 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
21505N PC 12
NSN: 5330-01-456-2998
FSC: 5330 — Packing and Gasket Materials
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number21505N PC 12
NSN5330-01-456-2998
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21505N PC 12 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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CROSS-SECTIONAL THICKNESS: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
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CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
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OUTSIDE DIAMETER: 1.438 INCHES NOMINAL1.438 INCHES NOMINAL IN
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APERTURE DIAMETER: 0.938 INCHES NOMINAL0.938 INCHES NOMINAL IN
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MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
OUTSIDE DIAMETER1.438 INCHES NOMINAL1.438 INCHES NOMINAL IN
APERTURE DIAMETER0.938 INCHES NOMINAL0.938 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21505N PC 12?
21505N PC 12 is a 21505N PC 12.
What is the NSN for 21505N PC 12?
21505N PC 12 is cataloged in the U.S. Government catalog under NSN 5330-01-456-2998. 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.