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071866-2 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

071866-2: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include seal_width: 0.240 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, housing_bore_diameter: 6.228 INCHES NOMINAL IN, accommodated_shaft_diameter: 5.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-440-3278, 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
071866-2
NSN: 5330-01-440-3278
FSC: 5330 — Packing and Gasket Materials
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
seal_width0.240 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
housing_bore_diameter6.228 INCHES NOMINAL IN
accommodated_shaft_diameter5.625 INCHES NOMINAL IN
NSN5330-01-440-3278
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 071866-2 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
•
SEAL WIDTH: 0.240 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 6.228 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 5.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.240 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
HOUSING BORE DIAMETER6.228 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER5.625 INCHES NOMINAL IN
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 2
480147940-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
R316MC-358Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 071866-2?
071866-2 is a SEAL,PLAIN.
What parts can replace 071866-2?
There are 2 known substitutes for 071866-2: 480147940-2, R316MC-358. Substitute compatibility should be verified for your specific system.
What is the NSN for 071866-2?
071866-2 is cataloged in the U.S. Government catalog under NSN 5330-01-440-3278. 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.