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PartsTable / COMPONENT / AS21919
AS21919 ✓ 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: 0.223 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING BAND, temp_rating: 392.0 FAHRENHEIT DEGF, overall_width: 0.500 INCHES NOMINAL IN, special_features: FLUOROSILICONE LOOP CUSHION, style_designator: RIGHT HAND CLAMP & BRACKET. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-103-2945, 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
AS21919
NSN: 5340-00-103-2945
FSC: 5340
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
diameter0.223 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING BAND
temp_rating392.0 FAHRENHEIT DEGF
overall_width0.500 INCHES NOMINAL IN
special_featuresFLUOROSILICONE LOOP CUSHION
style_designatorRIGHT HAND CLAMP & BRACKET
tongue_hole_typeROUND, UNTHREADED
lug_hole_diameter0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
surface_treatmentPASSIVATE BAND
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.750 INCHES NOMINAL IN
cushioning_environmental_protectionHYDRAULIC FLUID AND OZONE RESISTANT
NSN5340-00-103-2945
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS21919 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 DOCUMENT AND CLASSIFICATION: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
CUSHIONING ENVIRONMENTAL PROTECTION: FUEL, AROMATIC
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE CUSHION
•
STYLE DESIGNATOR: SINGLE LOOP
•
SURFACE TREATMENT: PASSIVATE BAND
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.529 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
CUSHIONING ENVIRONMENTAL PROTECTIONFUEL, AROMATIC
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE CUSHION
MATERIALSTEEL COMP 302 OR STEEL COMP 321 BAND
STYLE DESIGNATORSINGLE LOOP
SURFACE TREATMENTPASSIVATE BAND
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.529 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.250 INCHES NOMINAL IN
DIAMETER0.204 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
AS21919WCG14Upgraded Successor
successor cross-reference
successor
10112740Upgraded Successor
successor cross-reference
successor
AS21919Upgraded Successor
successor cross-reference
successor
1-300-271-03Upgraded Successor
successor cross-reference
successor
8016S4Upgraded Successor
successor cross-reference
successor
MIL-DTL-8603Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS21919?
AS21919 is a CLAMP,LOOP.
What parts can replace AS21919?
There are 30 known substitutes for AS21919: AS21919WCG14, 10112740, AS21919 and 27 more. Substitute compatibility should be verified for your specific system.
Is AS21919 still available?
AS21919 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