PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12283372Seat,helical Compression Spring

Woodward Hrt Inc · NSN 5340-01-073-3071 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-073-3071 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-073-3071. Primary manufacturer part number: 12283372.
Features
  • Seat,helical Compression Spring — FSC 5340
  • Second End Diameter: 0.6800 INCHES NOMINAL IN
  • Chamfer Angle in Deg: 0.030
  • Material: STEEL
  • First Step Diameter: 0.8800 INCHES NOMINAL IN
  • Style Designator: SEAT
  • End Diameter: 0.5100 INCHES NOMINAL IN
  • Distance From End to First Step: 0.2820 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-073-3071, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward Hrt Inc. Government technical data includes 9 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-073-3071
Primary Part Number12283372
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerWoodward Hrt Inc
StatusACTIVE
Second End Diameter0.6800 INCHES NOMINAL IN
Chamfer Angle in Deg0.030
MaterialSTEEL
First Step Diameter0.8800 INCHES NOMINAL IN
Style DesignatorSEAT
End Diameter0.5100 INCHES NOMINAL IN
Distance From End to First Step0.2820 INCHES NOMINAL IN
First Step Length0.0620 INCHES NOMINAL IN
Bore Diameter0.0600 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
3110-00-278-7283M22643 INTERCHANGEABLE
Bearing,ball,annular
Egs Electrical Group Appleton Div
4820-01-220-83503093 PIECE 5 INTERCHANGEABLE
Stem,fluid Valve
Quality Assured Products Inc Dba Qa Products Inc
Cross-Reference Index
Part NumberManufacturer
30935 Cadillac Gage Textron Inc. (USA)
12283372 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
12283372 PRIMARY Woodward Hrt Inc (USA)
30935 Woodward Hrt Inc (USA)
Related Parts
3110-00-278-7283INTERCHANGEABLE
BEARING,BALL,ANNULAR
M22643
4820-01-220-8350INTERCHANGEABLE
STEM,FLUID VALVE
3093 PIECE 5

Frequently Asked Questions

What is NSN 5340-01-073-3071?

NSN 5340-01-073-3071 is a Seat,helical Compression Spring, manufactured by Woodward Hrt Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-073-3071?

NSN 5340-01-073-3071 has 4 cross-referenced part numbers: 30935 (Cadillac Gage Textron Inc.), 12283372 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 12283372 (Woodward Hrt Inc), 30935 (Woodward Hrt Inc).

What NSN replaces 5340-01-073-3071?

There are 2 known substitutes for 5340-01-073-3071: 3110-00-278-7283, 4820-01-220-8350. Verify interchangeability with system specifications before substitution.

What are the specifications of 12283372?

Key specifications for 12283372: Second End Diameter: 0.6800 INCHES NOMINAL IN; Chamfer Angle in Deg: 0.030; Material: STEEL; First Step Diameter: 0.8800 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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