PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8156Spring,helical,extension

Fwd Seagrave Holdings Lp · NSN 5360-00-601-4083 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-601-4083 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-601-4083. Primary manufacturer part number: 8156.
Features
  • Spring,helical,extension — FSC 5360
  • Spring Deflection Rate: 16.000 POUNDS PER INCH NOMINAL LBS
  • Style Designator: CYLINDRICAL
  • End Style: RAISED HOOK FIRST END
  • Design Type: CLOSED
  • Spring Free Outside Diameter: 0.750 INCHES NOMINAL IN
  • Opening Width: 0.312 INCHES NOMINAL FIRST END IN
  • Inside Diameter: 0.562 INCHES NOMINAL IN
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 5360-00-601-4083, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 14 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-601-4083
Primary Part Number8156
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusACTIVE
Spring Deflection Rate16.000 POUNDS PER INCH NOMINAL LBS
Style DesignatorCYLINDRICAL
End StyleRAISED HOOK FIRST END
Design TypeCLOSED
Spring Free Outside Diameter0.750 INCHES NOMINAL IN
Opening Width0.312 INCHES NOMINAL FIRST END IN
Inside Diameter0.562 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Coil to Hook Inside Length0.656 INCHES NOMINAL BOTH ENDS IN
Hook Radius0.312 INCHES NOMINAL FIRST END IN
Spring Free Length3.500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
End StyleRECTANGULAR HOOK SECOND END
Hook Width0.812 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5930-00-259-7286 INTERCHANGEABLE
Switch,rotary
4730-00-328-48050031130-015 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
3120-00-353-758923688 INTERCHANGEABLE
Bushing,sleeve
Briggs and Stratton Corp
5315-00-511-72919918156 INTERCHANGEABLE
Key,woodruff
Alfa Laval Inc
1620-00-600-5508 INTERCHANGEABLE
Damper Assy,nose La
4730-00-771-5306B815-6 INTERCHANGEABLE
Insert,tube Fitting
Swagelok Co
5960-00-942-0932 INTERCHANGEABLE
Electron Tube
5950-01-081-66858156 INTERCHANGEABLE
Transformer,power
Electrac Space Electronics Laboratory Inc Vibration Instruments Co Div
5962-01-169-5126 INTERCHANGEABLE
Microcircuit,memory
5120-01-425-89958156 INTERCHANGEABLE
Socket,socket Wrench
Wright Tool Co
Cross-Reference Index
Part NumberManufacturer
8156 PRIMARY Fwd Seagrave Holdings Lp (USA)
84147824 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
5930-00-259-7286INTERCHANGEABLE
SWITCH,ROTARY
4730-00-328-4805INTERCHANGEABLE
ELBOW,PIPE
0031130-015
3120-00-353-7589INTERCHANGEABLE
BUSHING,SLEEVE
23688
5315-00-511-7291INTERCHANGEABLE
KEY,WOODRUFF
9918156
1620-00-600-5508INTERCHANGEABLE
DAMPER ASSY,NOSE LA
4730-00-771-5306INTERCHANGEABLE
INSERT,TUBE FITTING
B815-6
5960-00-942-0932INTERCHANGEABLE
ELECTRON TUBE
5950-01-081-6685INTERCHANGEABLE
TRANSFORMER,POWER
8156
5962-01-169-5126INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5120-01-425-8995INTERCHANGEABLE
SOCKET,SOCKET WRENCH
8156

Frequently Asked Questions

What is NSN 5360-00-601-4083?

NSN 5360-00-601-4083 is a Spring,helical,extension, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-601-4083?

NSN 5360-00-601-4083 has 2 cross-referenced part numbers: 8156 (Fwd Seagrave Holdings Lp), 84147824 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 5360-00-601-4083?

There are 10 known substitutes for 5360-00-601-4083: 5930-00-259-7286, 4730-00-328-4805, 3120-00-353-7589 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8156?

Key specifications for 8156: Spring Deflection Rate: 16.000 POUNDS PER INCH NOMINAL LBS; Style Designator: CYLINDRICAL; End Style: RAISED HOOK FIRST END; Design Type: CLOSED. 14 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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