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1918-5-6 — DISK,VALVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1918-5-6: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include diameter: 0.399 INCHES NOMINAL IN, material: STEEL COMP 8740 OVERALL, drive_type: SOCKET, grip_length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, minor_diameter: 0.272 INCHES NOMINAL IN, extension_length: 0.361 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-200-5989, 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
1918-5-6
NSN: 5360-00-200-5989
NIINs: 002005989, 004729344, 011843484
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
diameter0.399 INCHES NOMINAL IN
materialSTEEL COMP 8740 OVERALL
drive_typeSOCKET
grip_length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
minor_diameter0.272 INCHES NOMINAL IN
extension_length0.361 INCHES NOMINAL IN
stud_head_height0.045 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
turnlock_stud_head_styleFLAT FILLISTER
stud_shank_major_diameter0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.322 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
NSN5360-00-200-5989
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DISK,VALVE TITLE COMPONENT PN 1918-5-6 MFR DISK,VALVE
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.706 INCHES NOMINAL IN
•
LOAD RATING: 38.000 POUNDS MINIMUM AND 42.000 POUNDS MAXIMUM LBS
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 3.000 INCHES NOMINAL IN
•
ACCOMMODATED ROD DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 5.969 INCHES MINIMUM AND 6.031 INCHES MAXIMUM IN
•
SPRING DEFLECTION RATE: 16.000 POUNDS PER INCH NOMINAL LBS
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.706 INCHES NOMINAL IN
LOAD RATING38.000 POUNDS MINIMUM AND 42.000 POUNDS MAXIMUM LBS
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH3.000 INCHES NOMINAL IN
ACCOMMODATED ROD DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH5.969 INCHES MINIMUM AND 6.031 INCHES MAXIMUM IN
SPRING DEFLECTION RATE16.000 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
SPRING LENGTH UNDER LOAD3.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
5193460Reference 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 1918-5-6?
1918-5-6 is a DISK,VALVE.
What parts can replace 1918-5-6?
There is 1 known substitute for 1918-5-6: 5193460. Substitute compatibility should be verified for your specific system.
What is the NSN for 1918-5-6?
1918-5-6 is cataloged in the U.S. Government catalog under NSN 5360-00-200-5989. 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.