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JP1255P20 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

JP1255P20: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.204 INCHES NOMINAL IN, material: STEEL COMP 321 BAND, overall_width: 0.500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: PASSIVATE BAND. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-881-5019, 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
JP1255P20
NSN: 5340-00-881-5019
FSC: 5340 — Hardware, Commercial
CAGE: 00986 — CHROMALLOY GAS TURBINE LLC DIV CHROMALLOY CONNECTICUT (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialSTEEL COMP 321 BAND
overall_width0.500 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentPASSIVATE BAND
material_thickness0.063 INCHES NOMINAL IN
loop_inside_diameter1.250 INCHES NOMINAL IN
specification/standard_data26512-GC500B MANUFACTURERS SPECIFICATION
material_document_and_classificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end1.310 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole1.092 INCHES NOMINAL IN
NSN5340-00-881-5019
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: JP1255P20 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
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
•
DIAMETER: 0.204 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.310 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 26512-GC500B MANUFACTURERS SPECIFICATION
•
SURFACE TREATMENT: PASSIVATE BAND
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSINGLE LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
DIAMETER0.204 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.310 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA26512-GC500B MANUFACTURERS SPECIFICATION
SURFACE TREATMENTPASSIVATE BAND
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.092 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 8
R355P20BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
457SS20Reference document
Same NSN cross-reference
Reference document — Secondary reference
299C486P19Reference document
Same NSN cross-reference
Reference document — Secondary reference
R355P20CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AGC4020Reference document
Same NSN cross-reference
Reference document — Secondary reference
6749387-19Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JP1255P20?
JP1255P20 is a CLAMP,LOOP.
What parts can replace JP1255P20?
There are 8 known substitutes for JP1255P20: R355P20B, 457SS20, 299C486P19 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JP1255P20?
JP1255P20 is cataloged in the U.S. Government catalog under NSN 5340-00-881-5019. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.