PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

393044Spring,helical,extension

Am General Llc · NSN 5360-00-246-9911 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-246-9911 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-246-9911. Primary manufacturer part number: 393044.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.401 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
  • Spring Length Under Load: 3.312 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Free Outside Diameter: 0.616 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN
  • Design Type: CLOSED
  • Material: STEEL OVERALL
  • Coil Quantity: 18-1/2
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-246-9911, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Am General Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-246-9911
Primary Part Number393044
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAm General Llc
StatusCANCELLED
Inside Diameter0.401 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
Spring Length Under Load3.312 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Free Outside Diameter0.616 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN
Design TypeCLOSED
MaterialSTEEL OVERALL
Coil Quantity18-1/2
Opening Width0.219 INCHES NOMINAL BOTH ENDS IN
Spring Free Length3.269 INCHES MINIMUM AND 3.277 INCHES MAXIMUM IN
Style DesignatorCYLINDRICAL
Spring Deflection Rate62.916 POUNDS PER INCH NOMINAL LBS
Load Rating45.00 POUNDS MINIMUM AND 49.50 POUNDS MAXIMUM LBS
End StyleMACHINE LOOP BOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-074-432644300 INTERCHANGEABLE
Transformer,audio Frequency
Hammond Mfg Co Ltd
1650-00-185-355344300 INTERCHANGEABLE
Cartridge,hydraulic
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3455-00-236-237719647 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3455-00-254-8468C152 INTERCHANGEABLE
Cutter,milling,convex
F & D Tool Co Inc
5970-00-300-3918 INTERCHANGEABLE
Insulator,standoff
2910-00-316-4689393044 INTERCHANGEABLE
Jet
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
6605-00-329-3386 INTERCHANGEABLE
Wheel Assy,fourth
5310-00-366-3749 INTERCHANGEABLE
Washer,flat
6610-00-482-733914191 INTERCHANGEABLE
Screen,filter
Aerosonic Llc
5915-00-501-3178S13-109 INTERCHANGEABLE
Filter,radio Frequency Interfere
Sprague Electric Co World Hqs
Cross-Reference Index
Part NumberManufacturer
20A1199 Barco Machine Products (USA)
FS4055 Titan Wheel Corporation of Illinois (USA)
26351 Kenosha Automotive Plant Sub of American Motors Corp (USA)
42663 Checker Motors Corporation (USA)
44300 Gerstenlager Co the (USA)
14191 Pressed Metals of America Inc (USA)
5304057 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
393044 PRIMARY Am General Llc (USA)
26351 Bendix Corp the Brake and Steering Div (USA)
Related Parts
5950-00-074-4326INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
44300
1650-00-185-3553INTERCHANGEABLE
CARTRIDGE,HYDRAULIC
44300
3455-00-236-2377INTERCHANGEABLE
REAMER,MACHINE
19647
3455-00-254-8468INTERCHANGEABLE
CUTTER,MILLING,CONVEX
C152
5970-00-300-3918INTERCHANGEABLE
INSULATOR,STANDOFF
2910-00-316-4689INTERCHANGEABLE
JET
393044
6605-00-329-3386INTERCHANGEABLE
WHEEL ASSY,FOURTH
5310-00-366-3749INTERCHANGEABLE
WASHER,FLAT
6610-00-482-7339INTERCHANGEABLE
SCREEN,FILTER
14191
5915-00-501-3178INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
S13-109
5136-00-555-8910INTERCHANGEABLE
TAP,THREAD CUTTING
T107A
5331-00-663-5254INTERCHANGEABLE
O-RING
032214

Frequently Asked Questions

What is NSN 5360-00-246-9911?

NSN 5360-00-246-9911 is a Spring,helical,extension, manufactured by Am General Llc, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-246-9911?

NSN 5360-00-246-9911 has 9 cross-referenced part numbers: 20A1199 (Barco Machine Products), FS4055 (Titan Wheel Corporation of Illinois), 26351 (Kenosha Automotive Plant Sub of American Motors Corp), 42663 (Checker Motors Corporation), 44300 (Gerstenlager Co the) and 4 more.

What NSN replaces 5360-00-246-9911?

There are 12 known substitutes for 5360-00-246-9911: 5950-00-074-4326, 1650-00-185-3553, 3455-00-236-2377 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 393044?

Key specifications for 393044: Inside Diameter: 0.401 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN; Spring Length Under Load: 3.312 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Spring Free Outside Diameter: 0.616 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-246-9911 still in active supply?

NSN 5360-00-246-9911 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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