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1818330 — CLIP,SPRING TENSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1818330: CLIP,SPRING TENSION.

The CLIP,SPRING TENSION is a the manufacturer industrial component. Key specifications include width: 0.500 INCHES NOMINAL IN, length: 0.780 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, hole_diameter: 0.252 INCHES NOMINAL IN, overall_height: 0.926 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-064-3678, 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
1818330
NSN: 5340-01-064-3678
FSC: 5340 — Hardware, Commercial
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width0.500 INCHES NOMINAL IN
length0.780 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
hole_diameter0.252 INCHES NOMINAL IN
overall_height0.926 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
surface_treatmentTIN OVERALL
material_thickness0.015 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
loop/holding_dimension0.750 INCHES NOMINAL IN
distance_from_loop_center_to_end0.516 INCHES NOMINAL IN
NSN5340-01-064-3678
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1818330 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
•
LENGTH: 0.780 INCHES NOMINAL IN
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
LOOP/HOLDING DIMENSION: 0.750 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.015 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
•
DISTANCE FROM LOOP CENTER TO END: 0.516 INCHES NOMINAL IN
•
SURFACE TREATMENT: TIN OVERALL
•
WIDTH: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.926 INCHES NOMINAL IN
LENGTH0.780 INCHES NOMINAL IN
MOUNTING METHODUNTHREADED HOLE(S)
LOOP/HOLDING DIMENSION0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.015 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO END0.516 INCHES NOMINAL IN
SURFACE TREATMENTTIN OVERALL
WIDTH0.500 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.252 INCHES NOMINAL IN
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 1818330?
1818330 is a CLIP,SPRING TENSION.
What is the NSN for 1818330?
1818330 is cataloged in the U.S. Government catalog under NSN 5340-01-064-3678. 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.