PartsTable
Technical Data Sheet
6-172-8 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.000 INCHES NOMINAL IN, aperture_width: 3.125 INCHES NOMINAL IN, overall_length: 7.625 INCHES NOMINAL IN, aperture_length: 6.750 INCHES NOMINAL IN, hardness_rating: 60.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-391-4155, 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
6-172-8
NSN: 5330-00-391-4155
FSC: 5330
CAGE: 11406 — REXNORD HOLDINGS INC (USA)
SPECIFICATIONS
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.000 INCHES NOMINAL IN
aperture_width3.125 INCHES NOMINAL IN
overall_length7.625 INCHES NOMINAL IN
aperture_length6.750 INCHES NOMINAL IN
hardness_rating60.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
inside_corner_radius0.125 INCHES NOMINAL IN
outside_corner_radius0.562 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
outside_edge_to_bolt_hole_center_distance_along_length0.438 INCHES NOMINAL IN
NSN5330-00-391-4155
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6-172-8 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: SOLID SINGLE OR COMPOSITION
APERTURE WIDTH: 3.125 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.438 INCHES NOMINAL IN
INSIDE CORNER RADIUS: 0.125 INCHES NOMINAL IN
HARDNESS RATING: 60.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE CORNER RADIUS: 0.562 INCHES NOMINAL IN
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.000 INCHES NOMINAL IN
APERTURE WIDTH3.125 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.438 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
HARDNESS RATING60.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE CORNER RADIUS0.562 INCHES NOMINAL IN
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
APERTURE LENGTH6.750 INCHES NOMINAL IN
OVERALL LENGTH7.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
DM-395Interchangeable
interchangeable cross-reference
interchangeable
1225864Interchangeable
interchangeable cross-reference
interchangeable
6-172-8Interchangeable
interchangeable cross-reference
interchangeable
6-331-39Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6-172-8?
6-172-8 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 6-172-8?
There are 4 known substitutes for 6-172-8: DM-395, 1225864, 6-172-8 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-172-8?
6-172-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-391-4155. This indicates validated use in U.S. government and defense supply chains.
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