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5820514 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5820514: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: ALUMINUM ALLOY 6061, overall_height: 0.225 INCHES NOMINAL IN, flange_diameter: 1.732 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN, flange_thickness: 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, style_designator: PARALLEL, surface_treatment: ANODIZE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-326-8981, 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
5820514
NSN: 5340-01-326-8981
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
overall_height0.225 INCHES NOMINAL IN
flange_diameter1.732 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN
flange_thickness0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
style_designatorPARALLEL
surface_treatmentANODIZE
fsc_application_dataAFTERBODY SECTION,TORPEDO MK50
body_outside_diameter0.900 INCHES NOMINAL IN
mounting_hole_diameter0.119 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationQQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-326-8981
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5820514 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
•
FLANGE DIAMETER: 1.732 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: AFTERBODY SECTION,TORPEDO MK50
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
•
FLANGE THICKNESS: 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.900 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER1.732 INCHES MINIMUM AND 1.737 INCHES MAXIMUM IN
OVERALL HEIGHT0.225 INCHES NOMINAL IN
FSC APPLICATION DATAAFTERBODY SECTION,TORPEDO MK50
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
FLANGE THICKNESS0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.900 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.119 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
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 5820514?
5820514 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 5820514?
5820514 is cataloged in the U.S. Government catalog under NSN 5340-01-326-8981. 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.