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PartsTable / COMPONENT / NAS1397R8B
NAS1397R8B ✓ 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: 0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, material: PLASTIC OVERALL, overall_width: 0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, special_features: COLOR BLACK, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-071-6537, 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
NAS1397R8B
NSN: 5340-00-071-6537
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
diameter0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
materialPLASTIC OVERALL
overall_width0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
special_featuresCOLOR BLACK
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.050 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
loop_inside_diameter0.500 INCHES NOMINAL IN
specification/standard_data80205-NAS1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_loop_center_to_tongue_end0.889 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.639 INCHES NOMINAL IN
NSN5340-00-071-6537
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1397R8B 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: 0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
LOOP INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 80205-NAS1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.740 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
LOOP INSIDE DIAMETER0.500 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR BLACK
SPECIFICATION/STANDARD DATA80205-NAS1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
OVERALL WIDTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.740 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.500 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
STYLE DESIGNATORSINGLE LOOP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
710876-008Interchangeable
interchangeable cross-reference
interchangeable
PP7Interchangeable
interchangeable cross-reference
interchangeable
MS25281R8Interchangeable
interchangeable cross-reference
interchangeable
10117241Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1397R8B?
NAS1397R8B is a CLAMP,LOOP.
What parts can replace NAS1397R8B?
There are 4 known substitutes for NAS1397R8B: 710876-008, PP7, MS25281R8 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1397R8B?
NAS1397R8B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-071-6537. 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