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Technical Data Sheet
PartsTable / COMPONENT / MS21103D25
MS21103D25 ✓ 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: 0.204 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 BAND, overall_width: 0.500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-526-2377, 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
MS21103D25
NSN: 5340-00-526-2377
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 BAND
overall_width0.500 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
loop_inside_diameter1.548 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/5 TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end1.436 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole1.218 INCHES NOMINAL IN
NSN5340-00-526-2377
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS21103D25 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
•
LOOP INSIDE DIAMETER: 1.548 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5 TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE BAND
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.436 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE LOOP
•
DIAMETER: 0.204 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 1.218 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LOOP INSIDE DIAMETER1.548 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
MATERIAL THICKNESS0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE BAND
OVERALL WIDTH0.500 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.436 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
DIAMETER0.204 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.218 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2024 BAND
TONGUE HOLE TYPEROUND, UNTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MS21103Interchangeable
interchangeable cross-reference
interchangeable
MS21103-7Interchangeable
interchangeable cross-reference
interchangeable
MS21103-12Interchangeable
interchangeable cross-reference
interchangeable
MS21103-28Interchangeable
interchangeable cross-reference
interchangeable
5340PL0727323Interchangeable
interchangeable cross-reference
interchangeable
5340001863389Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21103D25?
MS21103D25 is a CLAMP,LOOP.
What parts can replace MS21103D25?
There are 13 known substitutes for MS21103D25: MS21103, MS21103-7, MS21103-12 and 10 more. Substitute compatibility should be verified for your specific system.
Is MS21103D25 still available?
MS21103D25 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