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75A304052-2003 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

75A304052-2003: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY 7075, design_type: SOLID, end_diameter: 0.8750 INCHES NOMINAL IN, bore_diameter: 0.3850 INCHES MINIMUM AND 0.3930 INCHES MAXIMUM IN, overall_height: 0.1500 INCHES NOMINAL IN, special_features: CHAMFER,0.486 IN. DIA,0.050 IN.

D IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-357-0682, 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
75A304052-2003
NSN: 5340-01-357-0682
FSC: 5340 — Hardware, Commercial
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
design_typeSOLID
end_diameter0.8750 INCHES NOMINAL IN
bore_diameter0.3850 INCHES MINIMUM AND 0.3930 INCHES MAXIMUM IN
overall_height0.1500 INCHES NOMINAL IN
special_featuresCHAMFER,0.486 IN. DIA,0.050 IN. D IN
counterbore_length0.0800 INCHES NOMINAL IN
counterbore_diameter0.7500 INCHES NOMINAL IN
material_document_and_classificationQQ-A-225/9, ALLOY 7075, T651 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-357-0682
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 75A304052-2003 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
•
END DIAMETER: 0.8750 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/9, ALLOY 7075, T651 FED SPEC SINGLE MATERIAL RESPONSE
•
COUNTERBORE LENGTH: 0.0800 INCHES NOMINAL IN
•
COUNTERBORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
BORE DIAMETER: 0.3850 INCHES MINIMUM AND 0.3930 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.1500 INCHES NOMINAL IN
END DIAMETER0.8750 INCHES NOMINAL IN
DESIGN TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9, ALLOY 7075, T651 FED SPEC SINGLE MATERIAL RESPONSE
COUNTERBORE LENGTH0.0800 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.7500 INCHES NOMINAL IN
SPECIAL FEATURESCHAMFER,0.486 IN. DIA,0.050 IN. D IN
BORE DIAMETER0.3850 INCHES MINIMUM AND 0.3930 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 7075
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 75A304052-2003?
75A304052-2003 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 75A304052-2003?
75A304052-2003 is cataloged in the U.S. Government catalog under NSN 5340-01-357-0682. This indicates validated use in U.S. government and defense supply chains.
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