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471A4 — DRIVER,T-CASE OIL SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

471A4: DRIVER,T-CASE OIL SEAL.

The DRIVER,T-CASE OIL SEAL is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: DRIVER, T-CASE OIL SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-367-4591, 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
471A4
NSN: 5340-00-367-4591
NIINs: 003674591, 015924301
FSC: 5340 — Hardware, Commercial
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyDRIVER, T-CASE OIL SEAL
NSN5340-00-367-4591
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 471A4 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
•
FSC APPLICATION DATA: VALVE ASSEMBLY,GASOLINE RECIPROCATING ENGINE,NONAIRCRAFT
•
FIRST STEP DIAMETER: 1.7660 INCHES NOMINAL IN
•
END DIAMETER: 0.8750 INCHES NOMINAL IN
•
THIRD STEP DIAMETER: 2.1250 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.2810 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
SECOND STEP LENGTH: 0.1560 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.5630 INCHES NOMINAL IN
FSC APPLICATION DATAVALVE ASSEMBLY,GASOLINE RECIPROCATING ENGINE,NONAIRCRAFT
FIRST STEP DIAMETER1.7660 INCHES NOMINAL IN
END DIAMETER0.8750 INCHES NOMINAL IN
THIRD STEP DIAMETER2.1250 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.2810 INCHES NOMINAL IN
DESIGN TYPESOLID
SECOND STEP LENGTH0.1560 INCHES NOMINAL IN
STYLE DESIGNATORSEAT
SECOND STEP DIAMETER2.5000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
74992Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1A74992Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5E6450Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 471A4?
471A4 is a DRIVER,T-CASE OIL SEAL.
What parts can replace 471A4?
There are 3 known substitutes for 471A4: 74992, 1A74992, 5E6450. Substitute compatibility should be verified for your specific system.
What is the NSN for 471A4?
471A4 is cataloged in the U.S. Government catalog under NSN 5340-00-367-4591. 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.