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717654-1 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

717654-1: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL CORROSION RESISTING, design_type: SOLID, bore_diameter: 0.1010 INCHES NOMINAL IN, overall_height: 0.4400 INCHES NOMINAL IN, style_designator: SEAT, first_step_diameter: 0.6100 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-089-7928, 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
717654-1
NSN: 5340-00-089-7928
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
design_typeSOLID
bore_diameter0.1010 INCHES NOMINAL IN
overall_height0.4400 INCHES NOMINAL IN
style_designatorSEAT
first_step_diameter0.6100 INCHES NOMINAL IN
fsc_application_dataFUEL CONTROL,ENGINE,AIRCRAFT
spherical_seat_top_radius0.0150 INCHES NOMINAL IN
distance_from_end_to_first_step0.1500 INCHES NOMINAL IN
NSN5340-00-089-7928
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 717654-1 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
•
FSC APPLICATION DATA: FUEL CONTROL,ENGINE,AIRCRAFT
•
FIRST STEP DIAMETER: 0.6100 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1500 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
SPHERICAL SEAT TOP RADIUS: 0.0150 INCHES NOMINAL IN
•
BORE DIAMETER: 0.1010 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.4400 INCHES NOMINAL IN
FSC APPLICATION DATAFUEL CONTROL,ENGINE,AIRCRAFT
FIRST STEP DIAMETER0.6100 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.1500 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
SPHERICAL SEAT TOP RADIUS0.0150 INCHES NOMINAL IN
BORE DIAMETER0.1010 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 717654-1?
717654-1 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 717654-1?
717654-1 is cataloged in the U.S. Government catalog under NSN 5340-00-089-7928. 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.