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S281-9 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S281-9: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.204 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 BAND, overall_width: 0.375 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.032 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-720-6348, 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
S281-9
NSN: 5340-00-720-6348
FSC: 5340 — Hardware, Commercial
CAGE: 18076 — UMPCO, INC. DBA UMPCO INC (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 BAND
overall_width0.375 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.563 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.862 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.674 INCHES NOMINAL IN
NSN5340-00-720-6348
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S281-9 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: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
•
DIAMETER: 0.204 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.862 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.674 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSINGLE LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
DIAMETER0.204 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.862 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.674 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE CUSHION
MATERIALALUMINUM ALLOY 2024 BAND
SUBSTITUTES & CROSS-REFERENCES 4
JM43LC14WD9XSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
385-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C2037-9Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
TA04C76WD09XSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S281-9?
S281-9 is a CLAMP,LOOP.
What parts can replace S281-9?
There are 4 known substitutes for S281-9: JM43LC14WD9X, 385-9, C2037-9 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S281-9?
S281-9 is cataloged in the U.S. Government catalog under NSN 5340-00-720-6348. This indicates validated use in U.S. government and defense supply chains.
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