PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55974Spring,helical,torsion

Kleinschmidt Inc · NSN 5360-00-663-3362 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-663-3362 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-663-3362. Primary manufacturer part number: 55974.
Features
  • Spring,helical,torsion — FSC 5360
  • Coil Helix Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Surface Treatment: TIN OVERALL
  • Spring Free Length: 0.094 INCHES NOMINAL IN
  • End Length From First Bend to Second Bend or End: 0.079 INCHES NOMINAL OVERALL IN
  • End Angular Relationship: ENDS PARALLEL ONE TO OTHER
  • Spring Free Outside Diameter: 0.248 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-663-3362, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-663-3362
Primary Part Number55974
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
Coil Helix DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Surface TreatmentTIN OVERALL
Spring Free Length0.094 INCHES NOMINAL IN
End Length From First Bend to Second Bend or End0.079 INCHES NOMINAL OVERALL IN
End Angular RelationshipENDS PARALLEL ONE TO OTHER
Spring Free Outside Diameter0.248 INCHES NOMINAL IN
End StyleHINGE END FIRST END
Coil Quantity3
Style DesignatorSINGLE TORSION LEFT HAND
End StyleANGULAR END (RIGHT) SECOND END
Inside Diameter0.218 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
8030-00-081-9022 INTERCHANGEABLE
Sealing Compound
1650-00-132-126155974 INTERCHANGEABLE
Mounting Flange Ass
Parker Hannifin Corporation Div Hydraulic Systems Division
5210-01-045-352666MA INTERCHANGEABLE
Gage,thickness
L.s. Starrett Company (the) Div Tool Division
6640-01-533-938855974 INTERCHANGEABLE
Paper,lens
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
55974 Kleinschmidt Inc (USA)
SMB187290 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
8030-00-081-9022INTERCHANGEABLE
SEALING COMPOUND
1650-00-132-1261INTERCHANGEABLE
MOUNTING FLANGE ASS
55974
5210-01-045-3526INTERCHANGEABLE
GAGE,THICKNESS
66MA
6640-01-533-9388INTERCHANGEABLE
PAPER,LENS
55974

Frequently Asked Questions

What is NSN 5360-00-663-3362?

NSN 5360-00-663-3362 is a Spring,helical,torsion, manufactured by Kleinschmidt Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-663-3362?

NSN 5360-00-663-3362 has 2 cross-referenced part numbers: 55974 (Kleinschmidt Inc), SMB187290 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5360-00-663-3362?

There are 4 known substitutes for 5360-00-663-3362: 8030-00-081-9022, 1650-00-132-1261, 5210-01-045-3526 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55974?

Key specifications for 55974: Coil Helix Direction: RIGHT-HAND; Material: STEEL OVERALL; Surface Treatment: TIN OVERALL; Spring Free Length: 0.094 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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