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Technical Data Sheet
PartsTable / COMPONENT / MS25281R2
MS25281R2 ✓ 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 POLYHEXAMETHYLENE AMIDE OVERALL, overall_width: 0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, special_features: COLOR NATURAL, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-753-3456, 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
MS25281R2
NSN: 5340-00-753-3456
FSC: 5340
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
diameter0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
materialPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
overall_width0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
special_featuresCOLOR NATURAL
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
loop_inside_diameter0.125 INCHES NOMINAL IN
material_document_and_classificationASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_loop_center_to_tongue_end0.690 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.440 INCHES NOMINAL IN
NSN5340-00-753-3456
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS25281R2 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
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.690 INCHES NOMINAL IN
•
DIAMETER: 0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
•
LOOP INSIDE DIAMETER: 0.125 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM LOOP CENTER TO TONGUE END0.690 INCHES NOMINAL IN
DIAMETER0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
OVERALL WIDTH0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
LOOP INSIDE DIAMETER0.125 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR NATURAL
MATERIAL THICKNESS0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.440 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
HP2NUpgraded Successor
successor cross-reference
successor
2994556-16Upgraded Successor
successor cross-reference
successor
SAE-AS25281Upgraded Successor
successor cross-reference
successor
AS23190Upgraded Successor
successor cross-reference
successor
10117455Upgraded Successor
successor cross-reference
successor
MS25281R18Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS25281R2?
MS25281R2 is a CLAMP,LOOP.
What parts can replace MS25281R2?
There are 26 known substitutes for MS25281R2: HP2N, 2994556-16, SAE-AS25281 and 23 more. Substitute compatibility should be verified for your specific system.
Is MS25281R2 still available?
MS25281R2 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