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11578076 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11578076: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL OR STEEL COMP 1050, overall_height: 7.401 INCHES NOMINAL IN, flange_diameter: 0.750 INCHES NOMINAL IN, flange_thickness: 0.060 INCHES NOMINAL IN, style_designator: PARALLEL, body_inside_diameter: 0.322 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-455-2680, 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
11578076
NSN: 5340-00-455-2680
FSC: 5340 — Hardware, Commercial
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
materialSTEEL OR STEEL COMP 1050
overall_height7.401 INCHES NOMINAL IN
flange_diameter0.750 INCHES NOMINAL IN
flange_thickness0.060 INCHES NOMINAL IN
style_designatorPARALLEL
body_inside_diameter0.322 INCHES NOMINAL IN
body_outside_diameter0.442 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationFED STD 66 AISI 1050C FED STD 2ND MATERIAL RESPONSE OR ASTM A512 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A513 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A519 ASSN STD 1ST MATERIAL RESPONSE
NSN5340-00-455-2680
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11578076 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: 0.750 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.060 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.442 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 AISI 1050C FED STD 2ND MATERIAL RESPONSE OR ASTM A512 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A513 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A519 ASSN STD 1ST MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 0.322 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.750 INCHES NOMINAL IN
OVERALL HEIGHT7.401 INCHES NOMINAL IN
FLANGE THICKNESS0.060 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.442 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 AISI 1050C FED STD 2ND MATERIAL RESPONSE OR ASTM A512 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A513 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A519 ASSN STD 1ST MATERIAL RESPONSE
BODY INSIDE DIAMETER0.322 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL OR STEEL COMP 1050
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 11578076?
11578076 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 11578076?
11578076 is cataloged in the U.S. Government catalog under NSN 5340-00-455-2680. This indicates validated use in U.S. government and defense supply chains.
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