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8288745 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8288745: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: COPPER ALLOY, overall_height: 4.250 INCHES NOMINAL IN, flange_diameter: 2.125 INCHES NOMINAL IN, flange_thickness: 0.750 INCHES NOMINAL IN, style_designator: PARALLEL, body_inside_diameter: 1.515 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-612-8073, 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
8288745
NSN: 5340-01-612-8073
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_height4.250 INCHES NOMINAL IN
flange_diameter2.125 INCHES NOMINAL IN
flange_thickness0.750 INCHES NOMINAL IN
style_designatorPARALLEL
body_inside_diameter1.515 INCHES NOMINAL IN
body_outside_diameter1.766 INCHES NOMINAL IN
end_item_identificationDRUM ASSEMBLY,HAULING WINCH RIGHT HAND
part_name_assigned_by_controlling_agencyRETAINER,SPRING,CLUTCH COVER
NSN5340-01-612-8073
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8288745 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: 2.125 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.750 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.766 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
BODY INSIDE DIAMETER: 1.515 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER2.125 INCHES NOMINAL IN
OVERALL HEIGHT4.250 INCHES NOMINAL IN
FLANGE THICKNESS0.750 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.766 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
BODY INSIDE DIAMETER1.515 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER,SPRING,CLUTCH COVER
END ITEM IDENTIFICATIONDRUM ASSEMBLY,HAULING WINCH RIGHT HAND
MATERIALCOPPER 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 8288745?
8288745 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 8288745?
8288745 is cataloged in the U.S. Government catalog under NSN 5340-01-612-8073. 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.