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G18BD4 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

G18BD4: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, overall_height: 0.6250 INCHES NOMINAL IN, counterbore_diameter: 0.8660 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-175-7246, 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
G18BD4
NSN: 5340-00-175-7246
FSC: 5340 — Hardware, Commercial
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.6250 INCHES NOMINAL IN
counterbore_diameter0.8660 INCHES NOMINAL IN
NSN5340-00-175-7246
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: G18BD4 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
•
COUNTERBORE DIAMETER: 0.8660 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.6250 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.8660 INCHES NOMINAL IN
MATERIALSTEEL
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 1
3272712Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 G18BD4?
G18BD4 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace G18BD4?
There is 1 known substitute for G18BD4: 3272712. Substitute compatibility should be verified for your specific system.
What is the NSN for G18BD4?
G18BD4 is cataloged in the U.S. Government catalog under NSN 5340-00-175-7246. This indicates validated use in U.S. government and defense supply chains.
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