PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

135999Spring,helical,compression

Honeywell International, Inc Div Aerospace-Tucson · NSN 5360-00-797-4473 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-797-4473 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-797-4473. Primary manufacturer part number: 135999.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.590 INCHES MINIMUM IN
  • Material: STEEL OVERALL
  • Coil Quantity: 5
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Style Designator: CYLINDRICAL
  • Material Document and Classification: NISPAN-C,INTERNATIONAL NICKEL CON INC MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Spring Free Outside Diameter: 0.750 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 5360-00-797-4473, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 13 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
NSN5360-00-797-4473
Primary Part Number135999
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
Inside Diameter0.590 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Coil Quantity5
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Style DesignatorCYLINDRICAL
Material Document and ClassificationNISPAN-C,INTERNATIONAL NICKEL CON INC MFR REF SINGLE MATERIAL RESPONSE OVERALL
Spring Free Outside Diameter0.750 INCHES NOMINAL IN
Spring Free Length0.830 INCHES NOMINAL IN
Load Rating5.500 POUNDS NOMINAL LBS
Spring Length Under Load0.500 INCHES NOMINAL IN
Spring Solid Outside Diameter0.750 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Spring Deflection Rate17.000 POUNDS PER INCH NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-837-9550575420M1 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5826-01-194-5787135999 INTERCHANGEABLE
Mounting Plate Asse
Astronautics Corporation of America
1025-01-445-0991135999 INTERCHANGEABLE
Howitzer,medium,towed
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
135999 Honeywell International Inc. Div Aerospace - Torrance (USA)
135999 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
135999 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
Related Parts
5330-00-837-9550INTERCHANGEABLE
SEAL,PLAIN ENCASED
575420M1
5826-01-194-5787INTERCHANGEABLE
MOUNTING PLATE ASSE
135999
1025-01-445-0991INTERCHANGEABLE
HOWITZER,MEDIUM,TOWED
135999

Frequently Asked Questions

What is NSN 5360-00-797-4473?

NSN 5360-00-797-4473 is a Spring,helical,compression, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-797-4473?

NSN 5360-00-797-4473 has 3 cross-referenced part numbers: 135999 (Honeywell International Inc. Div Aerospace - Torrance), 135999 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 135999 (Honeywell International, Inc Div Aerospace-Tucson).

What NSN replaces 5360-00-797-4473?

There are 3 known substitutes for 5360-00-797-4473: 5330-00-837-9550, 5826-01-194-5787, 1025-01-445-0991. Verify interchangeability with system specifications before substitution.

What are the specifications of 135999?

Key specifications for 135999: Inside Diameter: 0.590 INCHES MINIMUM IN; Material: STEEL OVERALL; Coil Quantity: 5; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND. 13 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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