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AS21919CH56 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS21919CH56: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN, material: RUBBER SILICONE CLASS Q CUSHION, overall_width: 0.500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: PASSIVATE BAND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-667-4672, 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
AS21919CH56
NSN: 5340-01-667-4672
FSC: 5340 — Hardware, Commercial
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
diameter0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
materialRUBBER SILICONE CLASS Q CUSHION
overall_width0.500 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentPASSIVATE BAND
material_thickness0.040 INCHES NOMINAL IN
loop_inside_diameter3.500 INCHES NOMINAL IN
material_document_and_classificationAMS 3310 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
distance_from_loop_center_to_tongue_end2.445 INCHES NOMINAL IN
surface_treatment_document_and_classificationAMS QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND
center_to_center_distance_between_loop_and_mounting_hole2.226 INCHES NOMINAL IN
NSN5340-01-667-4672
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS21919CH56 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
•
DIAMETER: 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 2.445 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND
STYLE DESIGNATORSINGLE LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3310 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
DIAMETER0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END2.445 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE BAND
TONGUE HOLE TYPEROUND, UNTHREADED
SUBSTITUTES & CROSS-REFERENCES 1
SAE-AS21919Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS21919CH56?
AS21919CH56 is a CLAMP,LOOP.
What parts can replace AS21919CH56?
There is 1 known substitute for AS21919CH56: SAE-AS21919. Substitute compatibility should be verified for your specific system.
What is the NSN for AS21919CH56?
AS21919CH56 is cataloged in the U.S. Government catalog under NSN 5340-01-667-4672. This indicates validated use in U.S. government and defense supply chains.
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