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83-00009 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

83-00009: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.4375 INCHES NOMINAL IN, bore_diameter: 0.5625 INCHES NOMINAL IN, overall_height: 0.2812 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-507-1449, 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
83-00009
NSN: 5340-00-507-1449
FSC: 5340 — Hardware, Commercial
CAGE: U0215 — WINDER POWER LIMITED (GBR)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.4375 INCHES NOMINAL IN
bore_diameter0.5625 INCHES NOMINAL IN
overall_height0.2812 INCHES NOMINAL IN
style_designatorSEAT
first_step_diameter1.0000 INCHES NOMINAL IN
counterbore_diameter0.7500 INCHES NOMINAL IN
distance_from_end_to_first_step0.2188 INCHES NOMINAL IN
NSN5340-00-507-1449
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 83-00009 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: 1.0000 INCHES NOMINAL IN
•
END DIAMETER: 0.4375 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.2188 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE DIAMETER: 0.7500 INCHES NOMINAL IN
•
BORE DIAMETER: 0.5625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2812 INCHES NOMINAL IN
FIRST STEP DIAMETER1.0000 INCHES NOMINAL IN
END DIAMETER0.4375 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.2188 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE DIAMETER0.7500 INCHES NOMINAL IN
BORE DIAMETER0.5625 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· 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 83-00009?
83-00009 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 83-00009?
83-00009 is cataloged in the U.S. Government catalog under NSN 5340-00-507-1449. 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.