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123EC40037-75 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

123EC40037-75: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 2024 OVERALL, overall_width: 0.187 INCHES NOMINAL IN, special_features: DRAWING NAME= CLAMP,AIR COND DUCT SUPPORT, style_designator: CENTER MOUNT, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-530-9130, 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
123EC40037-75
NSN: 5340-01-530-9130
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
diameter0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
materialALUMINUM ALLOY 2024 OVERALL
overall_width0.187 INCHES NOMINAL IN
special_featuresDRAWING NAME= CLAMP,AIR COND DUCT SUPPORT
style_designatorCENTER MOUNT
tongue_hole_typeROUND, UNTHREADED
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter4.063 INCHES NOMINAL IN
end_item_identificationC-2 AIRCRAFT
material_document_and_classificationQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
distance_from_loop_center_to_tongue_end2.687 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole2.375 INCHES NOMINAL IN
NSN5340-01-530-9130
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 123EC40037-75 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 DOCUMENT AND CLASSIFICATION: QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 2.687 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCENTER MOUNT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
OVERALL WIDTH0.187 INCHES NOMINAL IN
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END2.687 INCHES NOMINAL IN
SPECIAL FEATURESDRAWING NAME= CLAMP,AIR COND DUCT SUPPORT
END ITEM IDENTIFICATIONC-2 AIRCRAFT
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE2.375 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

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 123EC40037-75?
123EC40037-75 is a CLAMP,LOOP.
What is the NSN for 123EC40037-75?
123EC40037-75 is cataloged in the U.S. Government catalog under NSN 5340-01-530-9130. 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.