PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11989Spring,helical,compression

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5360-00-788-0987 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-788-0987 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-788-0987. Primary manufacturer part number: 11989.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.380 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Spring Solid Outside Diameter: 0.498 INCHES NOMINAL IN
  • Spring Solid Length: 1.350 INCHES NOMINAL IN
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Coil Helix Direction: RIGHT-HAND
  • Spring Free Outside Diameter: 0.498 INCHES NOMINAL IN
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 5360-00-788-0987, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5360-00-788-0987
Primary Part Number11989
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Inside Diameter0.380 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Spring Solid Outside Diameter0.498 INCHES NOMINAL IN
Spring Solid Length1.350 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Helix DirectionRIGHT-HAND
Spring Free Outside Diameter0.498 INCHES NOMINAL IN
Coil Quantity22 1/2
Spring Free Length2.205 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9340-00-136-879011989 INTERCHANGEABLE
Window,observation
Kemp C M Mfg Co Sub of Kemp Co
5950-00-138-5144170508-1 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
5935-00-232-24641201390 INTERCHANGEABLE
Connector,plug,electrical
Lockheed Martin Corporation Div Rms - Mitchel Field
5110-00-268-2904 INTERCHANGEABLE
File,hand
5815-00-356-3359SC-C-69996 INTERCHANGEABLE
Plate,teletypewriter Retractor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1270-00-403-900462117 INTERCHANGEABLE
Holder
Cadillac Gage Textron Inc.
5930-00-473-25676975 INTERCHANGEABLE
Switch,electrical
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
3110-00-555-5213207SFG INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5950-00-586-7062 INTERCHANGEABLE
Coil,radio Frequency
2520-00-695-850211989 INTERCHANGEABLE
Propeller Shaft with Universal J
Meritor Heavy Vehicle Systems, Llc
Cross-Reference Index
Part NumberManufacturer
11989 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
6975 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
40972 Napco International Llc Dba Napco International Inc (USA)
621-17 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
9340-00-136-8790INTERCHANGEABLE
WINDOW,OBSERVATION
11989
5950-00-138-5144INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
170508-1
5935-00-232-2464INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1201390
5110-00-268-2904INTERCHANGEABLE
FILE,HAND
5815-00-356-3359INTERCHANGEABLE
PLATE,TELETYPEWRITER RETRACTOR
SC-C-69996
1270-00-403-9004INTERCHANGEABLE
HOLDER
62117
5930-00-473-2567INTERCHANGEABLE
SWITCH,ELECTRICAL
6975
3110-00-555-5213INTERCHANGEABLE
BEARING,BALL,ANNULAR
207SFG
5950-00-586-7062INTERCHANGEABLE
COIL,RADIO FREQUENCY
2520-00-695-8502INTERCHANGEABLE
PROPELLER SHAFT WITH UNIVERSAL J
11989
1650-00-723-5786INTERCHANGEABLE
RETAINER,REDUCER,VA
11989
5960-00-754-9775INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 5360-00-788-0987?

NSN 5360-00-788-0987 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 5360-00-788-0987?

NSN 5360-00-788-0987 has 4 cross-referenced part numbers: 11989 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 6975 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 40972 (Napco International Llc Dba Napco International Inc), 621-17 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 5360-00-788-0987?

There are 12 known substitutes for 5360-00-788-0987: 9340-00-136-8790, 5950-00-138-5144, 5935-00-232-2464 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11989?

Key specifications for 11989: Inside Diameter: 0.380 INCHES NOMINAL IN; Material: STEEL OVERALL; Spring Solid Outside Diameter: 0.498 INCHES NOMINAL IN; Spring Solid Length: 1.350 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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