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PartsTable / COMPONENT / 00178787
00178787 ✓ 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 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: 0.1050 INCHES NOMINAL IN, outside_diameter: 3.417 INCHES NOMINAL IN, radial_wall_thickness: 0.1550 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-083-5800, 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
00178787
NSN: 5330-00-083-5800
FSC: 5330
CAGE: 66654 — TVH PARTS CO. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
ring_styleEXPANDING CONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1050 INCHES NOMINAL IN
outside_diameter3.417 INCHES NOMINAL IN
radial_wall_thickness0.1550 INCHES NOMINAL IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5330-00-083-5800
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 00178787 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
•
JOINT STYLE: VERTICAL JOINT
•
MATERIAL: STEEL OVERALL
•
RADIAL WALL THICKNESS: 0.1550 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
OUTSIDE DIAMETER: 3.417 INCHES NOMINAL IN
•
RING STYLE: EXPANDING CONCENTRIC
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.1050 INCHES NOMINAL IN
JOINT STYLEVERTICAL JOINT
MATERIALSTEEL OVERALL
RADIAL WALL THICKNESS0.1550 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
OUTSIDE DIAMETER3.417 INCHES NOMINAL IN
RING STYLEEXPANDING CONCENTRIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
116540Interchangeable
interchangeable cross-reference
interchangeable
BM49803Interchangeable
interchangeable cross-reference
interchangeable
C75-213Interchangeable
interchangeable cross-reference
interchangeable
GPW9906Interchangeable
interchangeable cross-reference
interchangeable
36696Interchangeable
interchangeable cross-reference
interchangeable
992770Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 00178787?
00178787 is a SEAL RING,METAL.
What parts can replace 00178787?
There are 6 known substitutes for 00178787: 116540, BM49803, C75-213 and 3 more. Substitute compatibility should be verified for your specific system.
Is 00178787 still available?
00178787 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026