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Technical Data Sheet
PartsTable / COMPONENT / NAS1397P8B
NAS1397P8B ✓ 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: 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN, material: PLASTIC POLYAMIDE NYLON OVERALL, overall_width: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, special_features: NATURAL COLOR, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-727-8400, 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
NAS1397P8B
NSN: 5340-00-727-8400
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
diameter0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
materialPLASTIC POLYAMIDE NYLON OVERALL
overall_width0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
special_featuresNATURAL COLOR
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
loop_inside_diameter0.500 INCHES NOMINAL IN
specification/standard_data80205-NAS1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
distance_from_loop_center_to_tongue_end0.740 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.500 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
NSN5340-00-727-8400
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1397P8B 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 POLYAMIDE NYLON OVERALL
•
STYLE DESIGNATOR: SINGLE LOOP
•
SPECIFICATION/STANDARD DATA: 80205-NAS1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.560 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
STYLE DESIGNATORSINGLE LOOP
OVERALL WIDTH0.375 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA80205-NAS1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.560 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TONGUE HOLE TYPEROUND, UNTHREADED
LOOP INSIDE DIAMETER0.500 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR BLACK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1-2-4T140Interchangeable
interchangeable cross-reference
interchangeable
NPC8Interchangeable
interchangeable cross-reference
interchangeable
777Interchangeable
interchangeable cross-reference
interchangeable
947015-1081Interchangeable
Same NIIN cross-reference
interchangeable
NAS1397Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1397P8B?
NAS1397P8B is a CLAMP,LOOP.
What parts can replace NAS1397P8B?
There are 5 known substitutes for NAS1397P8B: 1-2-4T140, NPC8, 777 and 2 more. Substitute compatibility should be verified for your specific system.
Is NAS1397P8B still available?
NAS1397P8B 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