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Technical Data Sheet
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NPC5 ✓ 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: 0.177 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON BAND, overall_width: 0.375 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.050 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 5340-00-820-1247, 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
NPC5
NSN: 5340-00-820-1247
FSC: 5340
CAGE: 81074 — ITT HOLUB INDUSTRIES (USA)
SPECIFICATIONS
diameter0.177 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON BAND
overall_width0.375 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.050 INCHES NOMINAL IN
loop_inside_diameter0.312 INCHES NOMINAL IN
distance_from_loop_center_to_tongue_end0.668 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.441 INCHES NOMINAL IN
NSN5340-00-820-1247
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NPC5 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
•
LOOP INSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON BAND
•
STYLE DESIGNATOR: SINGLE LOOP
•
DIAMETER: 0.177 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.441 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LOOP INSIDE DIAMETER0.312 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON BAND
STYLE DESIGNATORSINGLE LOOP
DIAMETER0.177 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.441 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.668 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
CA6644PC3Interchangeable
interchangeable cross-reference
interchangeable
CA5764PC8Interchangeable
interchangeable cross-reference
interchangeable
CA6620PC3Interchangeable
interchangeable cross-reference
interchangeable
B107.39 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY4Interchangeable
interchangeable cross-reference
interchangeable
B107.6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NPC5?
NPC5 is a CLAMP,LOOP.
What parts can replace NPC5?
There are 23 known substitutes for NPC5: CA6644PC3, CA5764PC8, CA6620PC3 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NPC5?
NPC5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-820-1247. 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