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3423-2014-1D4 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3423-2014-1D4: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. This part is cataloged in the U.S. Government catalog under NSN 5340-01-643-3355, 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
3423-2014-1D4
NSN: 5340-01-643-3355
FSC: 5340 — Hardware, Commercial
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number3423-2014-1D4
NSN5340-01-643-3355
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3423-2014-1D4 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
SUBSTITUTES & CROSS-REFERENCES 10
7383858-3423-2001 ITEM 10-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
7383858-3423-2001 ITEM 10-4D4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H547-0001-3423-2001 ITEM 10-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
3423-0001-1-10-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
3423-2001 ITEM 04Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
3423-0001-1-10-4D4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 3423-2014-1D4?
3423-2014-1D4 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 3423-2014-1D4?
There are 10 known substitutes for 3423-2014-1D4: 7383858-3423-2001 ITEM 10-4, 7383858-3423-2001 ITEM 10-4D4, H547-0001-3423-2001 ITEM 10-4 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3423-2014-1D4?
3423-2014-1D4 is cataloged in the U.S. Government catalog under NSN 5340-01-643-3355. 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.