391-3581-201 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

391-3581-201: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include style_designator: CYLINDRICAL, spring_free_length: 2.240 INCHES NOMINAL IN, end_item_identification: HYDRAULICS SYSTEMS GROUP, spring_free_outside_diameter: 0.580 INCHES NOMINAL IN, spring_solid_outside_diameter: 0.580 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-101-2138, 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

391-3581-201

NSN: 5360-01-101-2138
NIINs: 011012138, 015836316
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 13829 — PARKER HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)

SPECIFICATIONS

style_designator	CYLINDRICAL
spring_free_length	2.240 INCHES NOMINAL IN
end_item_identification	HYDRAULICS SYSTEMS GROUP
spring_free_outside_diameter	0.580 INCHES NOMINAL IN
spring_solid_outside_diameter	0.580 INCHES NOMINAL IN
part_name_assigned_by_controlling_agency	SPRING
NSN	5360-01-101-2138

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.578 INCHES NOMINAL IN

•

END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS

•

STYLE DESIGNATOR: CYLINDRICAL

•

SPRING FREE LENGTH: 2.242 INCHES NOMINAL IN

•

INSIDE DIAMETER: 0.266 INCHES NOMINAL IN

•

COIL QUANTITY: 12

•

COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND

•

MATERIAL: STEEL COMP 6150 OVERALL

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	0.578 INCHES NOMINAL IN
END STYLE	SPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATOR	CYLINDRICAL
SPRING FREE LENGTH	2.242 INCHES NOMINAL IN
INSIDE DIAMETER	0.266 INCHES NOMINAL IN
COIL QUANTITY	12
COIL HELIX DIRECTION	RIGHT-HAND OR LEFT-HAND
MATERIAL	STEEL COMP 6150 OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

A1327-207Reference document

Same NSN cross-reference

Reference document — Secondary reference

9-926-100692Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 391-3581-201?

391-3581-201 is a SPRING,HELICAL,COMPRESSION.

What parts can replace 391-3581-201?

There are 2 known substitutes for 391-3581-201: A1327-207, 9-926-100692. Substitute compatibility should be verified for your specific system.

What is the NSN for 391-3581-201?

391-3581-201 is cataloged in the U.S. Government catalog under NSN 5360-01-101-2138. This indicates validated use in U.S. government and defense supply chains.

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391-3581-201 — SPRING,HELICAL,COMPRESSION

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