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Technical Data Sheet
PartsTable / COMPONENT / NAS1397-P4B
NAS1397-P4B ✓ 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: 0.172 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON OVERALL, overall_width: 0.375 INCHES NOMINAL IN, special_features: COLOR BLACK, style_designator: SINGLE LOOP, material_thickness: 0.050 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-010-5138, 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
NAS1397-P4B
NSN: 5340-00-010-5138
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
diameter0.172 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON OVERALL
overall_width0.375 INCHES NOMINAL IN
special_featuresCOLOR BLACK
style_designatorSINGLE LOOP
material_thickness0.050 INCHES NOMINAL IN
loop_inside_diameter0.250 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_end0.620 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.440 INCHES NOMINAL IN
NSN5340-00-010-5138
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1397-P4B 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
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.440 INCHES NOMINAL IN
•
DIAMETER: 0.172 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPECIFICATION/STANDARD DATA: 80205-NAS1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.620 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.440 INCHES NOMINAL IN
DIAMETER0.172 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPECIFICATION/STANDARD DATA80205-NAS1397 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
DISTANCE FROM LOOP CENTER TO TONGUE END0.620 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR BLACK
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
STYLE DESIGNATORSINGLE LOOP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
144140Interchangeable
interchangeable cross-reference
interchangeable
KL1554Interchangeable
interchangeable cross-reference
interchangeable
10018730-014Interchangeable
interchangeable cross-reference
interchangeable
F4NY-250BK-140Interchangeable
interchangeable cross-reference
interchangeable
CLN1-4BLKInterchangeable
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 NAS1397-P4B?
NAS1397-P4B is a CLAMP,LOOP.
What parts can replace NAS1397-P4B?
There are 6 known substitutes for NAS1397-P4B: 144140, KL1554, 10018730-014 and 3 more. Substitute compatibility should be verified for your specific system.
Is NAS1397-P4B still available?
NAS1397-P4B 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