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1816378-1 — CLIP,SPRING TENSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1816378-1: CLIP,SPRING TENSION.

The CLIP,SPRING TENSION is a the manufacturer industrial component. Key specifications include width: 0.188 INCHES NOMINAL IN, length: 0.422 INCHES NOMINAL IN, material: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL, hole_diameter: 0.093 INCHES NOMINAL IN, overall_height: 0.328 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S). This part is cataloged in the U.S.

Government catalog under NSN 5340-00-070-8359, 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
1816378-1
NSN: 5340-00-070-8359
FSC: 5340 — Hardware, Commercial
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
width0.188 INCHES NOMINAL IN
length0.422 INCHES NOMINAL IN
materialCOPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
hole_diameter0.093 INCHES NOMINAL IN
overall_height0.328 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
material_thickness0.014 INCHES NOMINAL IN
material_document_and_classificationQQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL
distance_from_end_to_hole_nearest_loop0.127 INCHES NOMINAL IN
NSN5340-00-070-8359
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1816378-1 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: 0.422 INCHES NOMINAL IN
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
DISTANCE FROM END TO HOLE NEAREST LOOP: 0.127 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL THICKNESS: 0.014 INCHES NOMINAL IN
•
WIDTH: 0.188 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.328 INCHES NOMINAL IN
LENGTH0.422 INCHES NOMINAL IN
MOUNTING METHODUNTHREADED HOLE(S)
DISTANCE FROM END TO HOLE NEAREST LOOP0.127 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.014 INCHES NOMINAL IN
WIDTH0.188 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
HOLE DIAMETER0.093 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1816378-1?
1816378-1 is a CLIP,SPRING TENSION.
What is the NSN for 1816378-1?
1816378-1 is cataloged in the U.S. Government catalog under NSN 5340-00-070-8359. 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.