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LF-582A-1 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LF-582A-1: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL, overall_height: 0.560 INCHES NOMINAL IN, flange_diameter: 2.750 INCHES NOMINAL IN, flange_thickness: 0.060 INCHES NOMINAL IN, style_designator: PARALLEL, surface_treatment: CADMIUM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-044-5435, 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
LF-582A-1
NSN: 5340-01-044-5435
FSC: 5340 — Hardware, Commercial
CAGE: 08832 — SCHROEDER INDUSTRIES LLC (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.560 INCHES NOMINAL IN
flange_diameter2.750 INCHES NOMINAL IN
flange_thickness0.060 INCHES NOMINAL IN
style_designatorPARALLEL
surface_treatmentCADMIUM
body_inside_diameter1.500 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
body_outside_diameter1.620 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
outside_chamfer_angle_in_deg45.0
material_document_and_classificationASTM A365 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-044-5435
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LF-582A-1 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: 2.750 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.060 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.620 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A365 ASSN STD SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 1.500 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
•
OUTSIDE CHAMFER ANGLE IN DEG: 45.0
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER2.750 INCHES NOMINAL IN
OVERALL HEIGHT0.560 INCHES NOMINAL IN
FLANGE THICKNESS0.060 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.620 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
STYLE DESIGNATORPARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A365 ASSN STD SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER1.500 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
OUTSIDE CHAMFER ANGLE IN DEG45.0
CASEHARDENING INDICATORNOT CASEHARDENED
SURFACE TREATMENTCADMIUM
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LF-582A-1?
LF-582A-1 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for LF-582A-1?
LF-582A-1 is cataloged in the U.S. Government catalog under NSN 5340-01-044-5435. 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.