PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VP21801Spring,helical,compression

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions · NSN 5360-00-268-1051 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-268-1051 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-268-1051. Primary manufacturer part number: VP21801.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Solid Length: 0.377 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Coil Quantity: 9
  • End Style: SPRING END,SQUARED BOTH ENDS
  • Inside Diameter: 0.860 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 1.125 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 420 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-268-1051, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5360-00-268-1051
Primary Part NumberVP21801
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
StatusACTIVE
Spring Solid Length0.377 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Coil Quantity9
End StyleSPRING END,SQUARED BOTH ENDS
Inside Diameter0.860 INCHES NOMINAL IN
Spring Free Outside Diameter1.125 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
Spring Free Length0.720 INCHES NOMINAL IN
Spring Solid Outside Diameter1.133 INCHES NOMINAL IN
MaterialSTEEL COMP 420 OVERALL
Material Document and ClassificationQQ-S-763,CLASS 5,TYPE F FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-155-7458 INTERCHANGEABLE
Bearing,roller,tapered
2040-00-198-9429 INTERCHANGEABLE
Endlock,door
6230-00-345-92291001500 INTERCHANGEABLE
Floodlight,electric
Phoenix Products Llc Dba Phoenix Lighting Products Llc
Cross-Reference Index
Part NumberManufacturer
VP21801 Siemens Energy, Inc. Dba Dresser-Rand (USA)
28B Siemens Energy, Inc. Dba Dresser-Rand (USA)
VP21801 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
28B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
VP21801 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
Related Parts
3110-00-155-7458INTERCHANGEABLE
BEARING,ROLLER,TAPERED
2040-00-198-9429INTERCHANGEABLE
ENDLOCK,DOOR
6230-00-345-9229INTERCHANGEABLE
FLOODLIGHT,ELECTRIC
1001500

Frequently Asked Questions

What is NSN 5360-00-268-1051?

NSN 5360-00-268-1051 is a Spring,helical,compression, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-268-1051?

NSN 5360-00-268-1051 has 5 cross-referenced part numbers: VP21801 (Siemens Energy, Inc. Dba Dresser-Rand), 28B (Siemens Energy, Inc. Dba Dresser-Rand), VP21801 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 28B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), VP21801 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).

What NSN replaces 5360-00-268-1051?

There are 3 known substitutes for 5360-00-268-1051: 3110-00-155-7458, 2040-00-198-9429, 6230-00-345-9229. Verify interchangeability with system specifications before substitution.

What are the specifications of VP21801?

Key specifications for VP21801: Spring Solid Length: 0.377 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Coil Quantity: 9; End Style: SPRING END,SQUARED BOTH ENDS. 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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