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J1221G21 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

J1221G21: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.2740 INCHES MINIMUM AND 0.2880 INCHES MAXIMUM IN, material: STEEL COMP 321 OVERALL, overall_width: 0.4850 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.0570 INCHES MINIMUM AND 0.0690 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-418-3447, 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
J1221G21
NSN: 5340-01-418-3447
FSC: 5340 — Hardware, Commercial
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
diameter0.2740 INCHES MINIMUM AND 0.2880 INCHES MAXIMUM IN
materialSTEEL COMP 321 OVERALL
overall_width0.4850 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.0570 INCHES MINIMUM AND 0.0690 INCHES MAXIMUM IN
loop_inside_diameter1.2970 INCHES MINIMUM AND 1.3270 INCHES MAXIMUM IN
material_document_and_classificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_loop_center_to_tongue_end1.3320 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole1.1090 INCHES MINIMUM AND 1.1590 INCHES MAXIMUM IN
NSN5340-01-418-3447
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: J1221G21 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
•
STYLE DESIGNATOR: SINGLE LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.2740 INCHES MINIMUM AND 0.2880 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.0570 INCHES MINIMUM AND 0.0690 INCHES MAXIMUM IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.3320 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 1.1090 INCHES MINIMUM AND 1.1590 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSINGLE LOOP
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.2740 INCHES MINIMUM AND 0.2880 INCHES MAXIMUM IN
OVERALL WIDTH0.4850 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM IN
MATERIAL THICKNESS0.0570 INCHES MINIMUM AND 0.0690 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.3320 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.1090 INCHES MINIMUM AND 1.1590 INCHES MAXIMUM IN
MATERIALSTEEL COMP 321 OVERALL
LOOP INSIDE DIAMETER1.2970 INCHES MINIMUM AND 1.3270 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 J1221G21?
J1221G21 is a CLAMP,LOOP.
What is the NSN for J1221G21?
J1221G21 is cataloged in the U.S. Government catalog under NSN 5340-01-418-3447. This indicates validated use in U.S. government and defense supply chains.
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