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81-704 — CARRIER ASSEMBLY

✓ Government record, cited
Jumbo · ORING SEAL
PRODUCT OVERVIEW

81-704: CARRIER ASSEMBLY.

The CARRIER ASSEMBLY is a Jumbo industrial component. Key specifications include end_item_identification: 3810-01-165-0646. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-034-6615, 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
81-704
NSN: 5340-00-034-6615
NIINs: 000346615, 004486947, 012841673, 014374298
FSC: 5340 — Hardware, Commercial
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
end_item_identification3810-01-165-0646
NSN5340-00-034-6615
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81-704 MFR: Jumbo ⚠ 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
•
FIRST STEP DIAMETER: 0.4550 INCHES MINIMUM AND 0.4650 INCHES MAXIMUM IN
•
END DIAMETER: 0.2390 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
•
SECOND END DIAMETER: 0.3000 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.0850 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
FIRST STEP LENGTH: 0.3500 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2150 INCHES MINIMUM AND 0.2160 INCHES MAXIMUM IN
FIRST STEP DIAMETER0.4550 INCHES MINIMUM AND 0.4650 INCHES MAXIMUM IN
END DIAMETER0.2390 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
SECOND END DIAMETER0.3000 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.0850 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
FIRST STEP LENGTH0.3500 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM IN
SPECIAL FEATURESNOT CASEHARDENED;MATL-STEEL MIL-S-7720 COND 303S OR 303SE
SURFACE TREATMENTPASSIVATE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 81-704?
81-704 is a CARRIER ASSEMBLY manufactured by Jumbo.
What is the NSN for 81-704?
81-704 is cataloged in the U.S. Government catalog under NSN 5340-00-034-6615. 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.