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GC12D12-8P — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GC12D12-8P: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include material: STEEL BAND, overall_width: 0.312 INCHES NOMINAL IN, style_designator: CENTER MOUNT, surface_treatment: CADMIUM BAND, material_thickness: 0.032 INCHES NOMINAL IN, nominal_thread_size: 0.138 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-078-8692, 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
GC12D12-8P
NSN: 5340-00-078-8692
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL BAND
overall_width0.312 INCHES NOMINAL IN
style_designatorCENTER MOUNT
surface_treatmentCADMIUM BAND
material_thickness0.032 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES IN
loop_inside_diameter0.375 INCHES NOMINAL IN
thread_quantity_per_inch32
distance_from_loop_center_to_tongue_end0.843 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.656 INCHES NOMINAL IN
NSN5340-00-078-8692
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC12D12-8P 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: CENTER MOUNT
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.843 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
SURFACE TREATMENT: CADMIUM BAND
•
THREAD QUANTITY PER INCH: 32
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.656 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCENTER MOUNT
OVERALL WIDTH0.312 INCHES NOMINAL IN
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.843 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.138 INCHES IN
SURFACE TREATMENTCADMIUM BAND
THREAD QUANTITY PER INCH32
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.656 INCHES NOMINAL IN
MATERIALSTEEL BAND
LOOP INSIDE DIAMETER0.375 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 1
GC12D12A8PReference document
Same NSN cross-reference
Reference document — Secondary 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 GC12D12-8P?
GC12D12-8P is a CLAMP,LOOP.
What parts can replace GC12D12-8P?
There is 1 known substitute for GC12D12-8P: GC12D12A8P. Substitute compatibility should be verified for your specific system.
What is the NSN for GC12D12-8P?
GC12D12-8P is cataloged in the U.S. Government catalog under NSN 5340-00-078-8692. 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.