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5758363 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5758363: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL COMP 4130, overall_height: 0.890 INCHES NOMINAL IN, style_designator: IRREGULAR, body_inside_diameter: 2.275 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN, body_outside_diameter: 2.434 INCHES MINIMUM AND 2.437 INCHES MAXIMUM IN, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-352-1265, 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
5758363
NSN: 5340-01-352-1265
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
overall_height0.890 INCHES NOMINAL IN
style_designatorIRREGULAR
body_inside_diameter2.275 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
body_outside_diameter2.434 INCHES MINIMUM AND 2.437 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
inside_chamfer_angle_in_deg45.0
outside_chamfer_angle_in_deg45.0
material_document_and_classificationMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-352-1265
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5758363 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
•
MATERIAL HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
•
BODY OUTSIDE DIAMETER: 2.434 INCHES MINIMUM AND 2.437 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: IRREGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 2.275 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
•
OUTSIDE CHAMFER ANGLE IN DEG: 45.0
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.890 INCHES NOMINAL IN
MATERIAL HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM
BODY OUTSIDE DIAMETER2.434 INCHES MINIMUM AND 2.437 INCHES MAXIMUM IN
STYLE DESIGNATORIRREGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER2.275 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
OUTSIDE CHAMFER ANGLE IN DEG45.0
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL COMP 4130
INSIDE CHAMFER ANGLE IN DEG45.0
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 5758363?
5758363 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 5758363?
5758363 is cataloged in the U.S. Government catalog under NSN 5340-01-352-1265. 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.