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275943 — SEAL RING,METAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

275943: SEAL RING,METAL.

The SEAL RING,METAL is a the manufacturer industrial component. Key specifications include end_item_identification: FIELD SIMULATOR AND TRAINING EQUIPMENT, part_name_assigned_by_controlling_agency: DIGITAL RANGE TRAINING UNMANNED AERIAL SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-348-4979, 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
275943
NSN: 5330-00-348-4979
NIINs: 003484979, 016991774
FSC: 5330 — Packing and Gasket Materials
CAGE: 11449 — TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP (USA)
SPECIFICATIONS
end_item_identificationFIELD SIMULATOR AND TRAINING EQUIPMENT
part_name_assigned_by_controlling_agencyDIGITAL RANGE TRAINING UNMANNED AERIAL SYSTEM
NSN5330-00-348-4979
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 275943 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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FSC APPLICATION DATA: ACFT ENGINE J57
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CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
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JOINT STYLE: STEP JOINT
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INSIDE DIAMETER: 2.8100 INCHES NOMINAL IN
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RADIAL WALL THICKNESS: 0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
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RING STYLE: CONTRACTING CONCENTRIC
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SURFACE TREATMENT: SILVER OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAACFT ENGINE J57
OVERALL WIDTH0.0930 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLESTEP JOINT
INSIDE DIAMETER2.8100 INCHES NOMINAL IN
RADIAL WALL THICKNESS0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
RING STYLECONTRACTING CONCENTRIC
SURFACE TREATMENTSILVER OVERALL
MATERIALSTEEL COMP 410 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
242473Reference 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 275943?
275943 is a SEAL RING,METAL.
What parts can replace 275943?
There is 1 known substitute for 275943: 242473. Substitute compatibility should be verified for your specific system.
What is the NSN for 275943?
275943 is cataloged in the U.S. Government catalog under NSN 5330-00-348-4979. 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.