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PartsTable / COMPONENT / HELLMS21919DG08
HELLMS21919DG08 ✓ 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 material: ALUMINUM BAND, overall_width: 0.375 INCHES NOMINAL IN, style_designator: SINGLE LOOP, material_thickness: 0.032 INCHES NOMINAL IN, loop_inside_diameter: 0.500 INCHES NOMINAL IN, end_item_identification: LOS ANGELES CLASS SSN(688); RF DISTRIBUTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-497-9278, 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
HELLMS21919DG08
NSN: 5340-01-497-9278
FSC: 5340
CAGE: F0569 — SOCIETE ETUDES CONSTRUCTIONS AERONAVALES (FRA)
SPECIFICATIONS
materialALUMINUM BAND
overall_width0.375 INCHES NOMINAL IN
style_designatorSINGLE LOOP
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.500 INCHES NOMINAL IN
end_item_identificationLOS ANGELES CLASS SSN(688); RF DISTRIBUTION
distance_from_loop_center_to_tongue_end0.842 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.654 INCHES NOMINAL IN
NSN5340-01-497-9278
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HELLMS21919DG08 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: 0.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR CUSHION
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.654 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.842 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LOOP INSIDE DIAMETER0.500 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR CUSHION
STYLE DESIGNATORSINGLE LOOP
MATERIALALUMINUM BAND
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.654 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.842 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN(688); RF DISTRIBUTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
AS21919WCG14Upgraded Successor
successor cross-reference
successor
10112740Upgraded Successor
successor cross-reference
successor
AS21919Upgraded Successor
successor cross-reference
successor
TA1718SS4TUpgraded Successor
successor cross-reference
successor
SAE-AS21919Upgraded Successor
successor cross-reference
successor
10117251Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HELLMS21919DG08?
HELLMS21919DG08 is a CLAMP,LOOP.
What parts can replace HELLMS21919DG08?
There are 25 known substitutes for HELLMS21919DG08: AS21919WCG14, 10112740, AS21919 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HELLMS21919DG08?
HELLMS21919DG08 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-497-9278. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026