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PartsTable / COMPONENT / 361738
361738 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PISTON,FILTER is a the manufacturer industrial component. Key specifications include diameter: 0.875 INCHES NOMINAL IN, material: PLASTIC ACRYLIC LOCATION NOT OTHERWISE SPECIFIED, thickness: 0.062 INCHES NOMINAL IN, polished_periphery: NOT PROVIDED, material_document_and_classification: MIL-W-80 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-297-7275, 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
361738
NSN: 5330-00-297-7275
FSC: 5330
CAGE: 01359 — TRIUMPH THERMAL SYSTEMS - MARYLAND, INC. (USA)
SPECIFICATIONS
diameter0.875 INCHES NOMINAL IN
materialPLASTIC ACRYLIC LOCATION NOT OTHERWISE SPECIFIED
thickness0.062 INCHES NOMINAL IN
polished_peripheryNOT PROVIDED
material_document_and_classificationMIL-W-80 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN5330-00-297-7275
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 361738 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
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CENTER HOLE DIAMETER: 0.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
CENTER HOLE DIAMETER0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
9145Interchangeable
interchangeable cross-reference
interchangeable
14U1458PC9145Interchangeable
interchangeable cross-reference
interchangeable
686-2Interchangeable
interchangeable cross-reference
interchangeable
RE 001768969Interchangeable
interchangeable cross-reference
interchangeable
10292Interchangeable
interchangeable cross-reference
interchangeable
361738Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 361738?
361738 is a PISTON,FILTER.
What parts can replace 361738?
There are 18 known substitutes for 361738: 9145, 14U1458PC9145, 686-2 and 15 more. Substitute compatibility should be verified for your specific system.
Is 361738 still available?
361738 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026