PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12629Spring,helical,compression

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5360-00-786-8078 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-786-8078 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-786-8078. Primary manufacturer part number: 12629.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.144 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Spring Solid Outside Diameter: 0.222 INCHES NOMINAL IN
  • Spring Free Length: 0.750 INCHES NOMINAL IN
  • Spring Solid Length: 0.266 INCHES NOMINAL IN
  • Coil Quantity: 18.5
  • Coil Helix Direction: RIGHT-HAND
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-786-8078, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-786-8078
Primary Part Number12629
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Inside Diameter0.144 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Spring Solid Outside Diameter0.222 INCHES NOMINAL IN
Spring Free Length0.750 INCHES NOMINAL IN
Spring Solid Length0.266 INCHES NOMINAL IN
Coil Quantity18.5
Coil Helix DirectionRIGHT-HAND
Style DesignatorTAPERED
End StyleSPRING END,SQUARED FIRST END
End StyleSPRING END,SQUARED AND GROUND SECOND END
Spring Free Outside Diameter0.222 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1560-00-122-467541291 INTERCHANGEABLE
Housing,pulley
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5940-00-226-96124400-5 INTERCHANGEABLE
Terminal Board
Marco Manufacturing Co Inc
4730-00-278-4293 INTERCHANGEABLE
Elbow,pipe
5360-00-366-770069-95 INTERCHANGEABLE
Spring,helical,compression
Eaton Corp Opns & Technical Center
3020-00-496-131312629 INTERCHANGEABLE
Gear,spur
Garwood/feller Inc Garwood Winch Div
5960-00-501-1067 INTERCHANGEABLE
Electron Tube
5950-00-528-89241M154-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Corp Electronic Systems Defensive System Div
5995-00-834-2927406155-1 INTERCHANGEABLE
Cable Assembly,radio Frequency
Raytheon Company Dba Raytheon
2815-00-908-66613313E735 INTERCHANGEABLE
Guide,valve Stem
Perkins Engines Inc
4935-01-111-8099438138-1 INTERCHANGEABLE
Screen and Bracket
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
368041R1 Komatsu American Intl Co (USA)
368041R1 Komatsu America Corp. (USA)
12629 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
1011-1 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
41291 Napco International Llc Dba Napco International Inc (USA)
368041R1 Navistar International Corporation Dba Navistar (USA)
6995 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
368041R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
Related Parts
1560-00-122-4675INTERCHANGEABLE
HOUSING,PULLEY
41291
5940-00-226-9612INTERCHANGEABLE
TERMINAL BOARD
4400-5
4730-00-278-4293INTERCHANGEABLE
ELBOW,PIPE
5360-00-366-7700INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
69-95
3020-00-496-1313INTERCHANGEABLE
GEAR,SPUR
12629
5960-00-501-1067INTERCHANGEABLE
ELECTRON TUBE
5950-00-528-8924INTERCHANGEABLE
TRANSFORMER,POWER
1M154-1
5995-00-834-2927INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
406155-1
2815-00-908-6661INTERCHANGEABLE
GUIDE,VALVE STEM
3313E735
4935-01-111-8099INTERCHANGEABLE
SCREEN AND BRACKET
438138-1
4320-01-120-6656INTERCHANGEABLE
PISTON
41291
5315-01-171-6258INTERCHANGEABLE
KEY,WOODRUFF
126-29

Frequently Asked Questions

What is NSN 5360-00-786-8078?

NSN 5360-00-786-8078 is a Spring,helical,compression, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-786-8078?

NSN 5360-00-786-8078 has 8 cross-referenced part numbers: 368041R1 (Komatsu American Intl Co), 368041R1 (Komatsu America Corp.), 12629 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 1011-1 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 41291 (Napco International Llc Dba Napco International Inc) and 3 more.

What NSN replaces 5360-00-786-8078?

There are 12 known substitutes for 5360-00-786-8078: 1560-00-122-4675, 5940-00-226-9612, 4730-00-278-4293 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12629?

Key specifications for 12629: Inside Diameter: 0.144 INCHES NOMINAL IN; Material: STEEL OVERALL; Spring Solid Outside Diameter: 0.222 INCHES NOMINAL IN; Spring Free Length: 0.750 INCHES NOMINAL IN. 11 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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