PartsTable
Technical Data Sheet
Download PDF

C026 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C026: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED BOTH ENDS, bore_diameter: 0.713 INCHES NOMINAL IN, inside_diameter: 0.693 INCHES NOMINAL IN, special_features: BRASS OR NICKEL SILVER, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-473-5963, 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
C026
NSN: 5340-00-473-5963
NIINs: 004735963, 005823416
FSC: 5340 — Hardware, Commercial
CAGE: 84423 — COLE NATIONAL CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED BOTH ENDS
bore_diameter0.713 INCHES NOMINAL IN
coil_quantity4
inside_diameter0.693 INCHES NOMINAL IN
special_featuresBRASS OR NICKEL SILVER
style_designatorCYLINDRICAL
spring_free_length0.844 INCHES MINIMUM AND 0.908 INCHES MAXIMUM IN
coil_helix_directionLEFT-HAND
spring_deflection_rate100.000 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.875 INCHES NOMINAL IN
spring_solid_outside_diameter0.895 INCHES NOMINAL IN
NSN5340-00-473-5963
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C026 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESBRASS OR NICKEL SILVER
SUBSTITUTES & CROSS-REFERENCES 6
00VSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
20VReference document
Same NSN cross-reference
Reference document — Secondary reference
66NReference document
Same NSN cross-reference
Reference document — Secondary reference
8658JVRReference document
Same NSN cross-reference
Reference document — Secondary reference
8658JVSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8658BVReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy C026?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is C026?
C026 is a SPRING,HELICAL,COMPRESSION.
What parts can replace C026?
There are 6 known substitutes for C026: 00V, 20V, 66N and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C026?
C026 is cataloged in the U.S. Government catalog under NSN 5340-00-473-5963. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — C026

✓ 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.