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Technical Data Sheet
8704172 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, center_hole_diameter: 3.725 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN, fsc_application_data: WINCH,CLUTCH,TANK RECOVERY VEHICLE, cross-sectional_height: 0.432 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, cross-sectional_shape_style: O-RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-318-4176, 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
8704172
NSN: 5330-00-318-4176
FSC: 5330
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
center_hole_diameter3.725 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN
fsc_application_dataWINCH,CLUTCH,TANK RECOVERY VEHICLE
cross-sectional_height0.432 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
NSN5330-00-318-4176
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8704172 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: WINCH,CLUTCH,TANK RECOVERY VEHICLE
MATERIAL: RUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL HEIGHT: 0.432 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 3.725 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: O-RING
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATAWINCH,CLUTCH,TANK RECOVERY VEHICLE
MATERIALRUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL HEIGHT0.432 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.725 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEO-RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
5910-53Interchangeable
interchangeable cross-reference
interchangeable
4168Interchangeable
interchangeable cross-reference
interchangeable
201942D REV.9 PIECE 92Interchangeable
interchangeable cross-reference
interchangeable
5-49-56-52-80Interchangeable
interchangeable cross-reference
interchangeable
201942D PIECE 92Interchangeable
interchangeable cross-reference
interchangeable
15392FSP15-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8704172?
8704172 is a PACKING,PREFORMED.
What parts can replace 8704172?
There are 19 known substitutes for 8704172: 5910-53, 4168, 201942D REV.9 PIECE 92 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8704172?
8704172 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-318-4176. This indicates validated use in U.S. government and defense supply chains.
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