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6390933 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6390933: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: NICKEL ALLOY, overall_height: 33.150 INCHES NOMINAL IN, style_designator: PARALLEL, body_outside_diameter: 23.250 INCHES NOMINAL IN, end_item_identification: ASDS RESIDUAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-509-7652, 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
6390933
NSN: 5340-01-509-7652
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_height33.150 INCHES NOMINAL IN
style_designatorPARALLEL
body_outside_diameter23.250 INCHES NOMINAL IN
end_item_identificationASDS RESIDUAL
NSN5340-01-509-7652
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6390933 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
•
BODY OUTSIDE DIAMETER: 23.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT33.150 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER23.250 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
END ITEM IDENTIFICATIONASDS RESIDUAL
MATERIALNICKEL ALLOY
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 6390933?
6390933 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 6390933?
6390933 is cataloged in the U.S. Government catalog under NSN 5340-01-509-7652. 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.