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3018-258 — SPRING,HELICAL,TORSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3018-258: SPRING,HELICAL,TORSION.

The SPRING,HELICAL,TORSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OVERALL, coil_quantity: 13, coil_helix_direction: RIGHT-HAND OR LEFT-HAND, material_document_and_classification: AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-166-0992, 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
3018-258
NSN: 5331-00-166-0992
NIINs: 001660992, 011873338
FSC: 5331 — O-ring
CAGE: 23591 — FRICK-GALLAGHER MFG. CO. (USA)
SPECIFICATIONS
materialSTEEL COMP 631 OVERALL
coil_quantity13
coil_helix_directionRIGHT-HAND OR LEFT-HAND
material_document_and_classificationAMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5331-00-166-0992
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3018-258 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.605 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.605 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 9
10017047Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10017001 ITEM 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VL1002GE1-016Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS3209-016Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10159811Reference document
Same NSN cross-reference
Reference document — Informative reference only
AMS7276Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3018-258?
3018-258 is a SPRING,HELICAL,TORSION.
What parts can replace 3018-258?
There are 9 known substitutes for 3018-258: 10017047, 10017001 ITEM 6, VL1002GE1-016 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3018-258?
3018-258 is cataloged in the U.S. Government catalog under NSN 5331-00-166-0992. This indicates validated use in U.S. government and defense supply chains.
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