PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581-1-5Spring,helical,compression

Tactair Fluid Controls Inc · NSN 5360-00-397-9877 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-397-9877 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-397-9877. Primary manufacturer part number: 581-1-5.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Length Under Load: 0.500 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Surface Treatment: TIN OVERALL
  • Spring Deflection Rate: 2.800 POUNDS PER INCH NOMINAL LBS
  • Spring Free Length: 0.660 INCHES NOMINAL IN
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Material: STEEL OVERALL
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 5360-00-397-9877, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 15 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-397-9877
Primary Part Number581-1-5
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerTactair Fluid Controls Inc
StatusACTIVE
Spring Length Under Load0.500 INCHES NOMINAL IN
Spring Free Outside Diameter0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Surface TreatmentTIN OVERALL
Spring Deflection Rate2.800 POUNDS PER INCH NOMINAL LBS
Spring Free Length0.660 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
MaterialSTEEL OVERALL
Spring Solid Length0.282 INCHES NOMINAL IN
Coil Quantity5-1/4
Material Document and ClassificationMIL-S-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Spring Solid Outside Diameter0.430 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Load Rating0.450 POUNDS NOMINAL LBS
Coil Helix DirectionLEFT-HAND
Inside Diameter0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-224-744426004 INTERCHANGEABLE
Nail Set
Mayhew Steel Products Inc
3030-00-569-94475-8115 INTERCHANGEABLE
Belt,v
Muviq Usa, Llc
5360-00-757-894958115 INTERCHANGEABLE
Spring,helical,compression
Hydro-Aire Aerospace Corp
4920-01-161-8243581-15 INTERCHANGEABLE
Radiometer,indicator
Excelitas Technologies Corp. Dba Perkinelmer Inc
5340-01-236-20922CX894 INTERCHANGEABLE
Plug,protective,dust and Moistur
Oshkosh Defense Llc
4420-01-297-476358115 INTERCHANGEABLE
Cooler,fluid,industrial
Air Techniques, Inc.
5315-01-710-572358115 INTERCHANGEABLE
Pin,straight,headless
Eaton Corp Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
581-1-5 Tactair Fluid Controls Inc Phoenix Controls Div (USA)
581-1-5 PRIMARY Tactair Fluid Controls Inc (USA)
Related Parts
5120-00-224-7444INTERCHANGEABLE
NAIL SET
26004
3030-00-569-9447INTERCHANGEABLE
BELT,V
5-8115
5360-00-757-8949INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
58115
4920-01-161-8243INTERCHANGEABLE
RADIOMETER,INDICATOR
581-15
5340-01-236-2092INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
2CX894
4420-01-297-4763INTERCHANGEABLE
COOLER,FLUID,INDUSTRIAL
58115
5315-01-710-5723INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
58115

Frequently Asked Questions

What is NSN 5360-00-397-9877?

NSN 5360-00-397-9877 is a Spring,helical,compression, manufactured by Tactair Fluid Controls Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-397-9877?

NSN 5360-00-397-9877 has 2 cross-referenced part numbers: 581-1-5 (Tactair Fluid Controls Inc Phoenix Controls Div), 581-1-5 (Tactair Fluid Controls Inc).

What NSN replaces 5360-00-397-9877?

There are 7 known substitutes for 5360-00-397-9877: 5120-00-224-7444, 3030-00-569-9447, 5360-00-757-8949 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 581-1-5?

Key specifications for 581-1-5: Spring Length Under Load: 0.500 INCHES NOMINAL IN; Spring Free Outside Diameter: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Surface Treatment: TIN OVERALL; Spring Deflection Rate: 2.800 POUNDS PER INCH NOMINAL LBS. 15 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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