PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21250Spring,helical,compression

Hydro-Aire Aerospace Corp · NSN 5360-00-527-1068 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-527-1068 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-527-1068. Primary manufacturer part number: 21250.
Features
  • Spring,helical,compression — FSC 5360
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Coil Quantity: 11-1/2
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Deflection Rate: 1248.000 POUNDS PER INCH NOMINAL LBS
  • Spring Solid Length: 2.150 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.709 INCHES MINIMUM AND 0.729 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-527-1068, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5360-00-527-1068
Primary Part Number21250
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Quantity11-1/2
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Deflection Rate1248.000 POUNDS PER INCH NOMINAL LBS
Spring Solid Length2.150 INCHES NOMINAL IN
Spring Free Outside Diameter0.709 INCHES MINIMUM AND 0.729 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorCYLINDRICAL
Inside Diameter0.345 INCHES NOMINAL IN
Spring Free Length2.505 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5945-00-232-5884A8769-1Y INTERCHANGEABLE
Relay,electromagnetic
Olympic Controls Corp
2810-00-310-8797 INTERCHANGEABLE
Neck,oil Filler
5935-00-350-1890131-1028 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
4520-00-566-2072 INTERCHANGEABLE
Heating Element,electrical,nonim
6665-01-069-171521-250 INTERCHANGEABLE
Detector Unit,chemical Agent Aut
Gow-Mac Instrument Co Div Gow-Mac Instrument Company
5930-01-265-022521250 INTERCHANGEABLE
Switch,sensitive
Mark Industries
4820-01-273-055121227 INTERCHANGEABLE
Parts Kit,valve
Hydro Engineering Innovation, Llc
5120-01-349-83082125-0 INTERCHANGEABLE
Alignment Tool,electronic Equipm
Rosemount Aerospace Inc Dba Rosemount Aerospace Inc
4940-01-559-02010KI680 INTERCHANGEABLE
Washer,bearing,hand Operated
Hydro Engineering Innovation, Llc
9330-01-708-891821250 INTERCHANGEABLE
Filament,additive Manufacturing
Markforged Inc
Cross-Reference Index
Part NumberManufacturer
21250 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5945-00-232-5884INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
A8769-1Y
2810-00-310-8797INTERCHANGEABLE
NECK,OIL FILLER
5935-00-350-1890INTERCHANGEABLE
ADAPTER,CONNECTOR
131-1028
4520-00-566-2072INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
6665-01-069-1715INTERCHANGEABLE
DETECTOR UNIT,CHEMICAL AGENT AUT
21-250
5930-01-265-0225INTERCHANGEABLE
SWITCH,SENSITIVE
21250
4820-01-273-0551INTERCHANGEABLE
PARTS KIT,VALVE
21227
5120-01-349-8308INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
2125-0
4940-01-559-0201INTERCHANGEABLE
WASHER,BEARING,HAND OPERATED
0KI680
9330-01-708-8918INTERCHANGEABLE
FILAMENT,ADDITIVE MANUFACTURING
21250

Frequently Asked Questions

What is NSN 5360-00-527-1068?

NSN 5360-00-527-1068 is a Spring,helical,compression, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-527-1068?

NSN 5360-00-527-1068 has 1 cross-referenced part number: 21250 (Hydro-Aire Aerospace Corp).

What NSN replaces 5360-00-527-1068?

There are 10 known substitutes for 5360-00-527-1068: 5945-00-232-5884, 2810-00-310-8797, 5935-00-350-1890 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21250?

Key specifications for 21250: End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Coil Quantity: 11-1/2; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND; Spring Deflection Rate: 1248.000 POUNDS PER INCH NOMINAL LBS. 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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