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755288-1 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

755288-1: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY, design_type: SOLID, end_diameter: 0.4510 INCHES MINIMUM AND 0.4530 INCHES MAXIMUM IN, bore_diameter: 0.3500 INCHES NOMINAL IN, overall_height: 0.4500 INCHES MINIMUM AND 0.4800 INCHES MAXIMUM IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-069-1296, 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
755288-1
NSN: 5340-01-069-1296
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeSOLID
end_diameter0.4510 INCHES MINIMUM AND 0.4530 INCHES MAXIMUM IN
bore_diameter0.3500 INCHES NOMINAL IN
overall_height0.4500 INCHES MINIMUM AND 0.4800 INCHES MAXIMUM IN
style_designatorSEAT
first_step_length0.1200 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
surface_treatmentANODIZE
counterbore_length0.1800 INCHES MAXIMUM IN
first_step_diameter0.9590 INCHES MINIMUM AND 0.9610 INCHES MAXIMUM IN
second_end_diameter0.5960 INCHES MINIMUM AND 0.5980 INCHES MAXIMUM IN
counterbore_diameter0.5000 INCHES NOMINAL IN
NSN5340-01-069-1296
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 755288-1 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
•
FIRST STEP DIAMETER: 0.9590 INCHES MINIMUM AND 0.9610 INCHES MAXIMUM IN
•
END DIAMETER: 0.4510 INCHES MINIMUM AND 0.4530 INCHES MAXIMUM IN
•
SECOND END DIAMETER: 0.5960 INCHES MINIMUM AND 0.5980 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.0900 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE LENGTH: 0.1800 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.4500 INCHES MINIMUM AND 0.4800 INCHES MAXIMUM IN
FIRST STEP DIAMETER0.9590 INCHES MINIMUM AND 0.9610 INCHES MAXIMUM IN
END DIAMETER0.4510 INCHES MINIMUM AND 0.4530 INCHES MAXIMUM IN
SECOND END DIAMETER0.5960 INCHES MINIMUM AND 0.5980 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.0900 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE LENGTH0.1800 INCHES MAXIMUM IN
COUNTERBORE DIAMETER0.5000 INCHES NOMINAL IN
FIRST STEP LENGTH0.1200 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM 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 755288-1?
755288-1 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 755288-1?
755288-1 is cataloged in the U.S. Government catalog under NSN 5340-01-069-1296. 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.