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3100B3X1-8A — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3100B3X1-8A: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL, construction: LAMINATED AND ONE-PIECE, overall_length: 3000.0 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.375 INCHES NOMINAL IN, end_item_identification: 5430-0-16976179. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-725-0760, 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
3100B3X1-8A
NSN: 5330-01-725-0760
FSC: 5330 — Packing and Gasket Materials
CAGE: 57137 — TRIM-LOK INC DBA TRIM-LOK INC (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
constructionLAMINATED AND ONE-PIECE
overall_length3000.0 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.375 INCHES NOMINAL IN
end_item_identification5430-0-16976179
part_name_assigned_by_controlling_agencyTRIM SEAL
NSN5330-01-725-0760
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3100B3X1-8A 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
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
•
CONSTRUCTION: LAMINATED AND ONE-PIECE
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
OVERALL LENGTH3000.0 INCHES NOMINAL IN
APERTURE DIAMETER0.375 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYTRIM SEAL
END ITEM IDENTIFICATION5430-0-16976179
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
CONSTRUCTIONLAMINATED AND ONE-PIECE
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 3100B3X1-8A?
3100B3X1-8A is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 3100B3X1-8A?
3100B3X1-8A is cataloged in the U.S. Government catalog under NSN 5330-01-725-0760. 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.