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PartsTable / COMPONENT / 651-077
651-077 ✓ Verified by PartsTable
Kosmos · 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,PLAIN is a Kosmos industrial component. Key specifications include material: STEEL COMP 302 SPRING, seal_width: 0.100 INCHES NOMINAL IN, temp_rating: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, construction: SOLID, housing_bore_diameter: 0.311 INCHES NOMINAL IN, accommodated_shaft_diameter: 0.188 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-150-2475, 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
651-077
NSN: 5330-00-150-2475
FSC: 5330
CAGE: 59915 — SERVICE & SALES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 SPRING
seal_width0.100 INCHES NOMINAL IN
temp_rating-70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
constructionSOLID
housing_bore_diameter0.311 INCHES NOMINAL IN
accommodated_shaft_diameter0.188 INCHES NOMINAL IN
cross-sectional_shape_styleC-SECTION W/ HELICAL SPRING
material_document_and_classificationQQ-W-423,COMP 302 FED SPEC SINGLE MATERIAL RESPONSE SPRING
NSN5330-00-150-2475
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 651-077 MFR: Kosmos ⚠ 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
•
ACCOMMODATED SHAFT DIAMETER: 0.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: C-SECTION W/ HELICAL SPRING
•
SEAL WIDTH: 0.100 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 0.311 INCHES NOMINAL IN
•
CONSTRUCTION: SOLID
•
TEMP RATING: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423,COMP 302 FED SPEC SINGLE MATERIAL RESPONSE SPRING
•
MATERIAL: STEEL COMP 302 SPRING
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER0.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEC-SECTION W/ HELICAL SPRING
SEAL WIDTH0.100 INCHES NOMINAL IN
HOUSING BORE DIAMETER0.311 INCHES NOMINAL IN
CONSTRUCTIONSOLID
TEMP RATING-70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423,COMP 302 FED SPEC SINGLE MATERIAL RESPONSE SPRING
MATERIALSTEEL COMP 302 SPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1152000615Interchangeable
interchangeable cross-reference
interchangeable
0012036975Interchangeable
interchangeable cross-reference
interchangeable
0022032875Interchangeable
interchangeable cross-reference
interchangeable
HATN08AInterchangeable
interchangeable cross-reference
interchangeable
441-1030-008Interchangeable
interchangeable cross-reference
interchangeable
DMS 87045BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 651-077?
651-077 is a SEAL,PLAIN manufactured by Kosmos.
What parts can replace 651-077?
There are 15 known substitutes for 651-077: 1152000615, 0012036975, 0022032875 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 651-077?
651-077 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-150-2475. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026