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0313178 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

0313178: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER SYNTHETIC OVERALL, construction: SOLID, overall_length: 26.374 INCHES MINIMUM AND 26.750 INCHES MAXIMUM IN, style_designator: STRIP, attachment_method: CEMENTED, cross-sectional_width: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-118-5027, 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
0313178
NSN: 5330-00-118-5027
FSC: 5330 — Packing and Gasket Materials
CAGE: U1621 — SIMPSON-LAWRENCE LTD JOHNSON AND EVI RUDE OUTBOARD MOTORS (GBR)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
constructionSOLID
overall_length26.374 INCHES MINIMUM AND 26.750 INCHES MAXIMUM IN
style_designatorSTRIP
attachment_methodCEMENTED
cross-sectional_width0.500 INCHES NOMINAL IN
cross-sectional_height0.312 INCHES NOMINAL IN
cross_section_inside_diameter0.094 INCHES NOMINAL IN
NSN5330-00-118-5027
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0313178 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: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRIP
•
CROSS SECTION INSIDE DIAMETER: 0.094 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CONSTRUCTION: SOLID
•
ATTACHMENT METHOD: CEMENTED
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.312 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.500 INCHES NOMINAL IN
STYLE DESIGNATORSTRIP
OVERALL LENGTH26.374 INCHES MINIMUM AND 26.750 INCHES MAXIMUM IN
CROSS SECTION INSIDE DIAMETER0.094 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
CONSTRUCTIONSOLID
ATTACHMENT METHODCEMENTED
SUBSTITUTES & CROSS-REFERENCES 1
313178Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0313178?
0313178 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 0313178?
There is 1 known substitute for 0313178: 313178. Substitute compatibility should be verified for your specific system.
What is the NSN for 0313178?
0313178 is cataloged in the U.S. Government catalog under NSN 5330-00-118-5027. 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.