PartsTable
Technical Data Sheet
C2053-3 ✓ 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 STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, mounting_pad: NOT INCLUDED, overall_width: 0.625 INCHES NOMINAL IN, overall_length: 1.875 INCHES NOMINAL IN, mounting_hole_size: 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 5340-00-774-7182, 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
C2053-3
NSN: 5340-00-774-7182
FSC: 5340
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialPLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYCAPROLACTAM OR PLASTIC POLYUNDECANOAMIDE LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.625 INCHES NOMINAL IN
overall_length1.875 INCHES NOMINAL IN
mounting_hole_size0.188 INCHES NOMINAL IN
NSN5340-00-774-7182
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C2053-3 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
MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYCAPROLACTAM OR PLASTIC POLYUNDECANOAMIDE LOCATION NOT OTHERWISE SPECIFIED
MOUNTING HOLE SIZE: 0.188 INCHES NOMINAL IN
MOUNTING PAD: NOT INCLUDED
CUSHION: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYCAPROLACTAM OR PLASTIC POLYUNDECANOAMIDE LOCATION NOT OTHERWISE SPECIFIED
MOUNTING HOLE SIZE0.188 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
CUSHIONNOT INCLUDED
OVERALL WIDTH0.625 INCHES NOMINAL IN
OVERALL LENGTH1.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
126HUpgraded Successor
successor cross-reference
successor
KC17Upgraded Successor
successor cross-reference
successor
SR4-136Upgraded Successor
successor cross-reference
successor
927Upgraded Successor
successor cross-reference
successor
TC-3Upgraded Successor
successor cross-reference
successor
C-3Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2053-3?
C2053-3 is a STRAP,RETAINING.
What parts can replace C2053-3?
There are 12 known substitutes for C2053-3: 126H, KC17, SR4-136 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C2053-3?
C2053-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-774-7182. This indicates validated use in U.S. government and defense supply chains.
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