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028-000483 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

028-000483: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: ALUMINUM ALLOY 7075, overall_height: 1.000 INCHES NOMINAL IN, flange_diameter: 0.906 INCHES NOMINAL IN, flange_thickness: 0.219 INCHES NOMINAL IN, special_features: 2 MOUNTING HOLES,THD 4-40 NC-2B, style_designator: IRREGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-141-6141, 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
028-000483
NSN: 5340-01-141-6141
FSC: 5340 — Hardware, Commercial
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
overall_height1.000 INCHES NOMINAL IN
flange_diameter0.906 INCHES NOMINAL IN
flange_thickness0.219 INCHES NOMINAL IN
special_features2 MOUNTING HOLES,THD 4-40 NC-2B
style_designatorIRREGULAR
surface_treatmentCHROMATE
body_inside_diameter0.406 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
bolt_circle_diameter0.687 INCHES NOMINAL IN
body_outside_diameter0.531 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationQQ-A-282, T6 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-141-6141
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 028-000483 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: 0.906 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
•
FLANGE THICKNESS: 0.219 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.531 INCHES NOMINAL IN
•
STYLE DESIGNATOR: IRREGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-282, T6 FED SPEC SINGLE MATERIAL RESPONSE
•
BODY INSIDE DIAMETER: 0.406 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.906 INCHES NOMINAL IN
OVERALL HEIGHT1.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
FLANGE THICKNESS0.219 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.531 INCHES NOMINAL IN
STYLE DESIGNATORIRREGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-282, T6 FED SPEC SINGLE MATERIAL RESPONSE
BODY INSIDE DIAMETER0.406 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
BOLT CIRCLE DIAMETER0.687 INCHES NOMINAL IN
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 028-000483?
028-000483 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 028-000483?
028-000483 is cataloged in the U.S. Government catalog under NSN 5340-01-141-6141. This indicates validated use in U.S. government and defense supply chains.
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