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GC12D21-7 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GC12D21-7: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, inside_diameter: 2.634 INCHES NOMINAL IN, tongue_hole_type: ROUND, UNTHREADED, end_item_identification: E-2C, HAWKEYE, AIRCRAFT, material_document_and_classification: MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-513-2008, 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
GC12D21-7
NSN: 5340-01-513-2008
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
inside_diameter2.634 INCHES NOMINAL IN
tongue_hole_typeROUND, UNTHREADED
end_item_identificationE-2C, HAWKEYE, AIRCRAFT
material_document_and_classificationMIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-513-2008
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC12D21-7 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: MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
INSIDE DIAMETER: 2.634 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL: STEEL COMP 4130 OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
INSIDE DIAMETER2.634 INCHES NOMINAL IN
END ITEM IDENTIFICATIONE-2C, HAWKEYE, AIRCRAFT
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIALSTEEL COMP 4130 OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC12D21-7?
GC12D21-7 is a CLAMP,LOOP.
What is the NSN for GC12D21-7?
GC12D21-7 is cataloged in the U.S. Government catalog under NSN 5340-01-513-2008. 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.