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2660512 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2660512: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY, design_type: SOLID, end_diameter: 0.1900 INCHES NOMINAL IN, bore_diameter: 0.0900 INCHES NOMINAL IN, overall_height: 0.3800 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-012-3308, 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
2660512
NSN: 5340-01-012-3308
FSC: 5340 — Hardware, Commercial
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeSOLID
end_diameter0.1900 INCHES NOMINAL IN
bore_diameter0.0900 INCHES NOMINAL IN
overall_height0.3800 INCHES NOMINAL IN
style_designatorSEAT
first_step_length0.1500 INCHES NOMINAL IN
counterbore_length0.1400 INCHES NOMINAL IN
first_step_diameter0.6400 INCHES NOMINAL IN
counterbore_diameter0.4200 INCHES NOMINAL IN
fsc_application_dataACFT FUEL CONTROL2915005043024
second_step_diameter0.8750 INCHES NOMINAL IN
NSN5340-01-012-3308
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2660512 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
•
FSC APPLICATION DATA: ACFT FUEL CONTROL2915005043024
•
FIRST STEP DIAMETER: 0.6400 INCHES NOMINAL IN
•
END DIAMETER: 0.1900 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1800 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE LENGTH: 0.1400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.3800 INCHES NOMINAL IN
FSC APPLICATION DATAACFT FUEL CONTROL2915005043024
FIRST STEP DIAMETER0.6400 INCHES NOMINAL IN
END DIAMETER0.1900 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1800 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE LENGTH0.1400 INCHES NOMINAL IN
SECOND STEP DIAMETER0.8750 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.4200 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 2660512?
2660512 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 2660512?
2660512 is cataloged in the U.S. Government catalog under NSN 5340-01-012-3308. 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.