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12917781 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12917781: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE JACKET, seal_width: 0.290 INCHES NOMINAL IN, housing_bore_diameter: 7.000 INCHES NOMINAL IN, accommodated_shaft_diameter: 6.450 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-414-8573, 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
12917781
NSN: 5330-01-414-8573
FSC: 5330 — Packing and Gasket Materials
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE JACKET
seal_width0.290 INCHES NOMINAL IN
housing_bore_diameter7.000 INCHES NOMINAL IN
accommodated_shaft_diameter6.450 INCHES NOMINAL IN
NSN5330-01-414-8573
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12917781 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
•
SEAL WIDTH: 0.290 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 7.000 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 6.450 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE JACKET
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.290 INCHES NOMINAL IN
HOUSING BORE DIAMETER7.000 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER6.450 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE JACKET
MATERIALSTEEL COMP 304 SPRING
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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 12917781?
12917781 is a SEAL,PLAIN.
What is the NSN for 12917781?
12917781 is cataloged in the U.S. Government catalog under NSN 5330-01-414-8573. 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.