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751-6402231-1 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

751-6402231-1: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, minor_width: 0.380 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 30.180 INCHES NOMINAL IN, cross-sectional_width: 0.880 INCHES NOMINAL IN, cross-sectional_height: 0.660 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-500-9285, 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
751-6402231-1
NSN: 5330-01-500-9285
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
minor_width0.380 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter30.180 INCHES NOMINAL IN
cross-sectional_width0.880 INCHES NOMINAL IN
cross-sectional_height0.660 INCHES NOMINAL IN
end_item_identificationTORPEDO TUBE
cross-sectional_thickness0.250 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
material_document_and_classificationMIL-R-15624,CL-III,MOLDED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGASKET
NSN5330-01-500-9285
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 751-6402231-1 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 THICKNESS: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.660 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.880 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-15624,CL-III,MOLDED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
APERTURE DIAMETER: 30.180 INCHES NOMINAL IN
•
MINOR WIDTH: 0.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.250 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.660 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.880 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624,CL-III,MOLDED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
APERTURE DIAMETER30.180 INCHES NOMINAL IN
MINOR WIDTH0.380 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET
END ITEM IDENTIFICATIONTORPEDO TUBE
SUBSTITUTES & CROSS-REFERENCES 4
751-6402201-9Reference document
Same NSN cross-reference
Reference document — Secondary reference
751-6402231Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
8612484Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
211097179Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 751-6402231-1?
751-6402231-1 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 751-6402231-1?
There are 4 known substitutes for 751-6402231-1: 751-6402201-9, 751-6402231, 8612484 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 751-6402231-1?
751-6402231-1 is cataloged in the U.S. Government catalog under NSN 5330-01-500-9285. 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.