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PartsTable / COMPONENT / CPC1953-4B
CPC1953-4B ✓ 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 CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.204 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON OVERALL, overall_width: 0.375 INCHES NOMINAL IN, special_features: COLOR NATURAL, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-782-8737, 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
CPC1953-4B
NSN: 5340-00-782-8737
FSC: 5340
CAGE: 71616 — COMMERCIAL PLASTICS CO INC (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON OVERALL
overall_width0.375 INCHES NOMINAL IN
special_featuresCOLOR NATURAL
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.047 INCHES NOMINAL IN
loop_inside_diameter0.250 INCHES NOMINAL IN
specification/standard_data80205-NAS 1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
distance_from_loop_center_to_tongue_end0.611 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.423 INCHES NOMINAL IN
NSN5340-00-782-8737
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CPC1953-4B 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 THICKNESS: 0.047 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 80205-NAS 1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.047 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA80205-NAS 1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORSINGLE LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
TONGUE HOLE TYPEROUND, UNTHREADED
SPECIAL FEATURESCOLOR NATURAL
OVERALL WIDTH0.375 INCHES NOMINAL IN
DIAMETER0.204 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.611 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
121244Upgraded Successor
successor cross-reference
successor
F3NY-250NACUpgraded Successor
successor cross-reference
successor
214-1043P3Upgraded Successor
successor cross-reference
successor
10003-206-029Upgraded Successor
successor cross-reference
successor
190164-31Upgraded Successor
successor cross-reference
successor
KL1499Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CPC1953-4B?
CPC1953-4B is a CLAMP,LOOP.
What parts can replace CPC1953-4B?
There are 24 known substitutes for CPC1953-4B: 121244, F3NY-250NAC, 214-1043P3 and 21 more. Substitute compatibility should be verified for your specific system.
Is CPC1953-4B still available?
CPC1953-4B 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