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Technical Data Sheet
PartsTable / COMPONENT / 5057-77
5057-77 ✓ 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 CLIP,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,PLAIN BOTH ENDS, coil_quantity: 22, inside_diameter: 0.187 INCHES NOMINAL IN, style_designator: CYLINDRICAL CONVEX END, spring_free_length: 2.125 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 5340-00-677-9323, 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
5057-77
NSN: 5340-00-677-9323
FSC: 5340
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,PLAIN BOTH ENDS
coil_quantity22
inside_diameter0.187 INCHES NOMINAL IN
style_designatorCYLINDRICAL CONVEX END
spring_free_length2.125 INCHES NOMINAL IN
spring_solid_length1.045 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
accommodated_rod_diameter0.164 INCHES NOMINAL IN
spring_free_outside_diameter0.281 INCHES NOMINAL IN
NSN5340-00-677-9323
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5057-77 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
800KInterchangeable
interchangeable cross-reference
interchangeable
829Interchangeable
interchangeable cross-reference
interchangeable
B4000Interchangeable
interchangeable cross-reference
interchangeable
W8435201ITEM5AInterchangeable
interchangeable cross-reference
interchangeable
W8435553PC27Interchangeable
interchangeable cross-reference
interchangeable
21158-0829Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5057-77?
5057-77 is a CLIP,SPRING TENSION.
What parts can replace 5057-77?
There are 13 known substitutes for 5057-77: 800K, 829, B4000 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5057-77?
5057-77 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-677-9323. 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.
PartsTable Design LLC · partstable.com
Last verified: July 2026