Spring, Helical, Torsion5360-01-142-9058

NSN 5360-01-142-9058 · NIIN 011429058 · Part number MBEU-66423

Martin-Baker Aircraft Company Limited · FSC 5360 — Coil, Flat, Leaf, and Wire Springs · FSG 53 — Hardware and Abrasives · CAGE U1604

Government record, cited

NSN 5360-01-142-9058 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-142-9058. Manufacturer of record part number: MBEU-66423.

Also searched as 5360-01-142-9058 · 5360011429058 · NIIN 011429058 · 01-142-9058 · FSC 5360 Coil, Flat, Leaf, and Wire Springs · CAGE U1604 · MBEU-66423

Nearby stock numbers ← 5360-01-142-8165 Spring, Helical, Extension · 5360-01-142-9059 Spring, Helical, Torsion →

Features

Spring,helical,torsion — FSC 5360
Spring Free Outside Diameter: 0.218 INCHES NOMINAL0.218 INCHES NOMINAL IN
End Style: ANGULAR END (RIGHT) SECOND ENDANGULAR END (RIGHT) SECOND END
End Style: OFFSET HALF LOOP, LEFT END FIRST ENDOFFSET HALF LOOP, LEFT END FIRST END
Style Designator: SINGLE TORSION LEFT HANDSINGLE TORSION LEFT HAND
Material Document and Classification: 11R51,SANDVIK STEEL INC MFR REF SINGLE MATERIAL RESPONSE OVERALL11R51,SANDVIK STEEL INC MFR REF SINGLE MATERIAL RESPONSE OVERALL
Spring Free Length: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
Inside Diameter: 0.243 INCHES NOMINAL0.243 INCHES NOMINAL IN

Identification

NSN: 5360-01-142-9058
NIIN: 011429058
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
FSG: 53 — Hardware and Abrasives
Primary part number: MBEU-66423
Manufacturer: Martin-Baker Aircraft Company Limited

General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-01-142-9058, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5360-01-142-9058
Primary Part Number	MBEU-66423
Item Name	Spring,helical,torsion
FSC / FSG	5360 / 53 — Coil, Flat, Leaf, and Wire Springs
Manufacturer	Martin-Baker Aircraft Company Limited
Status	ACTIVE
Spring Free Outside Diameter	0.218 INCHES NOMINAL0.218 INCHES NOMINAL IN
End Style	ANGULAR END (RIGHT) SECOND ENDANGULAR END (RIGHT) SECOND END
End Style	OFFSET HALF LOOP, LEFT END FIRST ENDOFFSET HALF LOOP, LEFT END FIRST END
Style Designator	SINGLE TORSION LEFT HANDSINGLE TORSION LEFT HAND
Material Document and Classification	11R51,SANDVIK STEEL INC MFR REF SINGLE MATERIAL RESPONSE OVERALL11R51,SANDVIK STEEL INC MFR REF SINGLE MATERIAL RESPONSE OVERALL
Spring Free Length	0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
Inside Diameter	0.243 INCHES NOMINAL0.243 INCHES NOMINAL IN
End Length From First Bend to Second Bend or End	0.120 INCHES NOMINAL SECOND END0.120 INCHES NOMINAL SECOND END IN
Coil Quantity	5-1/25-1/2
Surface Treatment	PASSIVATE OVERALLPASSIVATE OVERALL
Coil Helix Direction	RIGHT-HANDRIGHT-HAND
Material	STEEL CORROSION RESISTING OVERALL
End Length From Second Bend to Third Bend or End	0.190 INCHES NOMINAL FIRST END0.190 INCHES NOMINAL FIRST END IN
End Angular Relationship	ENDS PARALLEL ONE TO OTHERENDS PARALLEL ONE TO OTHER
Hook Radius	0.030 INCHES NOMINAL FIRST END0.030 INCHES NOMINAL FIRST END IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
MBEU-66423 PRIMARY	Martin-Baker Aircraft Company Limited (GBR)

No interchangeability data on file.

Other items in FSC 5360 — Coil, Flat, Leaf, and Wire Springs

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5360-00-001-1842

SPRING,HELICAL,COMPRESSION

5360-00-001-1945

5360-00-001-1945 · Item name not on file

5360-00-001-2010

SPRING,HELICAL,EXTENSION

5360-00-001-3865

5360-00-001-3865 · Item name not on file

5360-00-001-3950

5360-00-001-3950 · Item name not on file

5360-00-001-4650

SPRING,HELICAL,COMPRESSION

5360-00-001-4664

SPRING,CONSTANT TO

5360-00-001-4703

5360-00-001-4703 · Item name not on file

Frequently Asked Questions

What is NSN 5360-01-142-9058?

NSN 5360-01-142-9058 is a Spring,helical,torsion, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.

What part numbers are listed for NSN 5360-01-142-9058?

NSN 5360-01-142-9058 has 1 manufacturer part number on file: MBEU-66423 (Martin-Baker Aircraft Company Limited).

What are the specifications of MBEU-66423?

Key specifications for MBEU-66423: Spring Free Outside Diameter: 0.218 INCHES NOMINAL0.218 INCHES NOMINAL IN; End Style: ANGULAR END (RIGHT) SECOND ENDANGULAR END (RIGHT) SECOND END; End Style: OFFSET HALF LOOP, LEFT END FIRST ENDOFFSET HALF LOOP, LEFT END FIRST END; Style Designator: SINGLE TORSION LEFT HANDSINGLE TORSION LEFT HAND. 15 specifications are documented in the U.S. Government catalog.

Is NSN 5360-01-142-9058 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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