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Technical Data Sheet
PartsTable / COMPONENT / MS21919-DG12
MS21919-DG12 ✓ 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: RUBBER CHLOROPRENE CLASS CR CUSHION, overall_width: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: CHROMATE BAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-286-9427, 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
MS21919-DG12
NSN: 5340-00-286-9427
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialRUBBER CHLOROPRENE CLASS CR CUSHION
overall_width0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCHROMATE BAND
material_thickness0.050 INCHES NOMINAL IN
loop_inside_diameter0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
nondefinitive_spec/std_data4 TYPE AND A CLASS
cushioning_environmental_protectionWEATHER RESISTANT
material_document_and_classificationQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
NSN5340-00-286-9427
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS21919-DG12 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: RUBBER CHLOROPRENE CLASS CR CUSHION
•
SURFACE TREATMENT: CHROMATE BAND
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: -1L-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE BAND
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.063 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
•
LOOP INSIDE DIAMETER: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER CHLOROPRENE CLASS CR CUSHION
SURFACE TREATMENTCHROMATE BAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION-1L-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE BAND
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.063 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
LOOP INSIDE DIAMETER0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
OVERALL WIDTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
AS21919WCG14Upgraded Successor
successor cross-reference
successor
10112740Upgraded Successor
successor cross-reference
successor
AS21919Upgraded Successor
successor cross-reference
successor
MIL-DTL-8603Upgraded Successor
successor cross-reference
successor
TA1716WS4Upgraded Successor
successor cross-reference
successor
MS21919WG4Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21919-DG12?
MS21919-DG12 is a CLAMP,LOOP.
What parts can replace MS21919-DG12?
There are 30 known substitutes for MS21919-DG12: AS21919WCG14, 10112740, AS21919 and 27 more. Substitute compatibility should be verified for your specific system.
Is MS21919-DG12 still available?
MS21919-DG12 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