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Technical Data Sheet
PartsTable / COMPONENT / MS2581R5
MS2581R5 ✓ 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 5340-00-721-5315, 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
MS2581R5
NSN: 5340-00-721-5315
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
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_thickness0.085 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
loop_inside_diameter0.312 INCHES NOMINAL IN
material_document_and_classificationASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_loop_center_to_tongue_end0.796 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.546 INCHES NOMINAL IN
NSN5340-00-721-5315
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS2581R5 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 POLYHEXAMETHYLENE AMIDE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.546 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL THICKNESS: 0.085 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
DIAMETER: 0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.546 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR NATURAL
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIAL THICKNESS0.085 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
OVERALL WIDTH0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
DIAMETER0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
LOOP INSIDE DIAMETER0.312 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
457-6209Upgraded Successor
successor cross-reference
successor
MS25281-F12Upgraded Successor
successor cross-reference
successor
10301187Upgraded Successor
successor cross-reference
successor
MS25281-F16Upgraded Successor
successor cross-reference
successor
SYMZ-70276 ITEM 3Upgraded Successor
successor cross-reference
successor
9M843-28Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS2581R5?
MS2581R5 is a CLAMP,LOOP.
What parts can replace MS2581R5?
There are 17 known substitutes for MS2581R5: 457-6209, MS25281-F12, 10301187 and 14 more. Substitute compatibility should be verified for your specific system.
Is MS2581R5 still available?
MS2581R5 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