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9M0621 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9M0621: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.406 INCHES NOMINAL IN, material: STEEL OVERALL, loop_width: 0.500 INCHES NOMINAL IN, loop_length: 1.250 INCHES NOMINAL IN, overall_width: 0.750 INCHES NOMINAL IN, style_designator: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-323-0296, 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
9M0621
NSN: 5340-01-323-0296
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
diameter0.406 INCHES NOMINAL IN
materialSTEEL OVERALL
loop_width0.500 INCHES NOMINAL IN
loop_length1.250 INCHES NOMINAL IN
overall_width0.750 INCHES NOMINAL IN
style_designatorRECTANGULAR
tongue_hole_typeROUND, UNTHREADED
material_thickness0.060 INCHES NOMINAL IN
material_document_and_classification1E166,CAGEC 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-323-0296
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9M0621 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 WIDTH: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: 1E166,CAGEC 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.406 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.060 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
LOOP WIDTH0.500 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATION1E166,CAGEC 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.406 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.060 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIALSTEEL OVERALL
LOOP LENGTH1.250 INCHES NOMINAL 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 9M0621?
9M0621 is a CLAMP,LOOP.
What is the NSN for 9M0621?
9M0621 is cataloged in the U.S. Government catalog under NSN 5340-01-323-0296. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.