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346-0500-037 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

346-0500-037: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, overall_height: 9.7 MILLIMETERS NOMINAL MM, special_features: LARGEST DIAMETER IS 25.99 MILLIMETERS MM, surface_treatment: PASSIVATE AND ZINC, end_item_identification: VALVE SLEW CO. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-497-3106, 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
346-0500-037
NSN: 5340-01-497-3106
FSC: 5340 — Hardware, Commercial
CAGE: 13829 — PARKER HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)
SPECIFICATIONS
materialSTEEL
overall_height9.7 MILLIMETERS NOMINAL MM
special_featuresLARGEST DIAMETER IS 25.99 MILLIMETERS MM
surface_treatmentPASSIVATE AND ZINC
end_item_identificationVALVE SLEW CO
NSN5340-01-497-3106
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 346-0500-037 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
•
SURFACE TREATMENT: PASSIVATE AND ZINC
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT9.7 MILLIMETERS NOMINAL MM
SPECIAL FEATURESLARGEST DIAMETER IS 25.99 MILLIMETERS MM
SURFACE TREATMENTPASSIVATE AND ZINC
END ITEM IDENTIFICATIONVALVE SLEW CO
MATERIALSTEEL
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
DVG18-LA455 ITEM 19Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 346-0500-037?
346-0500-037 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 346-0500-037?
There is 1 known substitute for 346-0500-037: DVG18-LA455 ITEM 19. Substitute compatibility should be verified for your specific system.
What is the NSN for 346-0500-037?
346-0500-037 is cataloged in the U.S. Government catalog under NSN 5340-01-497-3106. 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.