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6861708 — SEAL RING,METAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6861708: SEAL RING,METAL.

The SEAL RING,METAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, ring_style: EXPANDING CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1000 INCHES NOMINAL IN, outside_diameter: 1.747 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN, radial_wall_thickness: 0.6120 INCHES MINIMUM AND 0.6340 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-104-8159, 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
6861708
NSN: 5330-00-104-8159
FSC: 5330 — Packing and Gasket Materials
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
ring_styleEXPANDING CONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1000 INCHES NOMINAL IN
outside_diameter1.747 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
radial_wall_thickness0.6120 INCHES MINIMUM AND 0.6340 INCHES MAXIMUM IN
metallic_hardness_rating140.0 MINIMUM BRINELL HULTGREN AND 220.0 MAXIMUM BRINELL HULTGREN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5330-00-104-8159
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6861708 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
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
OUTSIDE DIAMETER: 1.747 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
•
JOINT STYLE: VERTICAL JOINT
•
RADIAL WALL THICKNESS: 0.6120 INCHES MINIMUM AND 0.6340 INCHES MAXIMUM IN
•
RING STYLE: EXPANDING CONCENTRIC
•
MATERIAL: STEEL OVERALL
•
METALLIC HARDNESS RATING: 140.0 MINIMUM BRINELL HULTGREN AND 220.0 MAXIMUM BRINELL HULTGREN
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.1000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
OUTSIDE DIAMETER1.747 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
JOINT STYLEVERTICAL JOINT
RADIAL WALL THICKNESS0.6120 INCHES MINIMUM AND 0.6340 INCHES MAXIMUM IN
RING STYLEEXPANDING CONCENTRIC
MATERIALSTEEL OVERALL
METALLIC HARDNESS RATING140.0 MINIMUM BRINELL HULTGREN AND 220.0 MAXIMUM BRINELL HULTGREN
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 1
EU51837Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6861708?
6861708 is a SEAL RING,METAL.
What parts can replace 6861708?
There is 1 known substitute for 6861708: EU51837. Substitute compatibility should be verified for your specific system.
What is the NSN for 6861708?
6861708 is cataloged in the U.S. Government catalog under NSN 5330-00-104-8159. 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.