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K71-387-00 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

K71-387-00: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include outside_diameter: 3.880 INCHES NOMINAL IN, special_features: FITS DEXTER 9K AND 10 K GD HUB/DRUM, end_item_identification: WHEEL AND HUB ASSEMBLY, cross_section_inside_diameter: 2.875 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: SEAL,OIL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-633-0188, 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
K71-387-00
NSN: 5330-01-633-0188
FSC: 5330 — Packing and Gasket Materials
CAGE: 15460 — DEXTER AXLE COMPANY LLC (USA)
SPECIFICATIONS
outside_diameter3.880 INCHES NOMINAL IN
special_featuresFITS DEXTER 9K AND 10 K GD HUB/DRUM
end_item_identificationWHEEL AND HUB ASSEMBLY
cross_section_inside_diameter2.875 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySEAL,OIL
NSN5330-01-633-0188
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: K71-387-00 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
•
OUTSIDE DIAMETER: 3.880 INCHES NOMINAL IN
•
CROSS SECTION INSIDE DIAMETER: 2.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER3.880 INCHES NOMINAL IN
CROSS SECTION INSIDE DIAMETER2.875 INCHES NOMINAL IN
SPECIAL FEATURESFITS DEXTER 9K AND 10 K GD HUB/DRUM
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL,OIL
END ITEM IDENTIFICATIONWHEEL AND HUB ASSEMBLY
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
010-051-02Reference document
Same NSN cross-reference
Reference document — Secondary reference
010-051-00Reference 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 K71-387-00?
K71-387-00 is a SEAL,PLAIN ENCASED.
What parts can replace K71-387-00?
There are 2 known substitutes for K71-387-00: 010-051-02, 010-051-00. Substitute compatibility should be verified for your specific system.
What is the NSN for K71-387-00?
K71-387-00 is cataloged in the U.S. Government catalog under NSN 5330-01-633-0188. 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.