PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7973645Spring,helical,compression

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5360-00-597-4004 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-597-4004 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-597-4004. Primary manufacturer part number: 7973645.
Features
  • Spring,helical,compression — FSC 5360
  • Material: STEEL UNS K08500 OVERALL
  • Style Designator: CYLINDRICAL
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Spring Free Outside Diameter: 0.266 INCHES NOMINAL IN
  • Spring Free Length: 5.359 INCHES NOMINAL IN
  • Inside Diameter: 0.160 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Uns K08500 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-597-4004, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-597-4004
Primary Part Number7973645
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
MaterialSTEEL UNS K08500 OVERALL
Style DesignatorCYLINDRICAL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Spring Free Outside Diameter0.266 INCHES NOMINAL IN
Spring Free Length5.359 INCHES NOMINAL IN
Inside Diameter0.160 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Solid Length2.990 INCHES NOMINAL IN
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Spring Deflection Rate8.000 POUNDS PER INCH NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-276-5835SA16 INTERCHANGEABLE
Plug,expansion
Wisconsin Motors, Llc
5930-01-073-9296 INTERCHANGEABLE
Switch,toggle
5340-01-733-5241SA16 INTERCHANGEABLE
Connecting Link,rigid
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
7973645 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5360005974004 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
SA16 Cadillac Gage Textron Inc. (USA)
Related Parts
5340-00-276-5835INTERCHANGEABLE
PLUG,EXPANSION
SA16
5930-01-073-9296INTERCHANGEABLE
SWITCH,TOGGLE
5340-01-733-5241INTERCHANGEABLE
CONNECTING LINK,RIGID
SA16

Frequently Asked Questions

What is NSN 5360-00-597-4004?

NSN 5360-00-597-4004 is a Spring,helical,compression, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-597-4004?

NSN 5360-00-597-4004 has 3 cross-referenced part numbers: 7973645 (U S Army Tank Automotive Command Amsta-Im-Mm), 5360005974004 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), SA16 (Cadillac Gage Textron Inc.).

What NSN replaces 5360-00-597-4004?

There are 3 known substitutes for 5360-00-597-4004: 5340-00-276-5835, 5930-01-073-9296, 5340-01-733-5241. Verify interchangeability with system specifications before substitution.

What are the specifications of 7973645?

Key specifications for 7973645: Material: STEEL UNS K08500 OVERALL; Style Designator: CYLINDRICAL; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Free Outside Diameter: 0.266 INCHES NOMINAL IN. 10 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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