PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14940Seat,helical Compression Spring

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5340-00-900-2567 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-900-2567 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-900-2567. Primary manufacturer part number: 14940.
Features
  • Seat,helical Compression Spring — FSC 5340
  • Bore Diameter: 0.1850 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN
  • Design Type: SOLID
  • End Diameter: 0.3350 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM IN
  • Distance From End to First Step: 0.0350 INCHES MINIMUM AND 0.0400 INCHES MAXIMUM IN
  • Features Provided: CASEHARDENED
  • Material: STEEL COMP 12L14
  • Style Designator: SEAT
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 12l14 construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-900-2567, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 9 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-900-2567
Primary Part Number14940
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Bore Diameter0.1850 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN
Design TypeSOLID
End Diameter0.3350 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM IN
Distance From End to First Step0.0350 INCHES MINIMUM AND 0.0400 INCHES MAXIMUM IN
Features ProvidedCASEHARDENED
MaterialSTEEL COMP 12L14
Style DesignatorSEAT
Material Document and ClassificationAISI 012L14 ASSN STD SINGLE MATERIAL RESPONSE
First Step Diameter0.4400 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
2810-00-118-284414940 INTERCHANGEABLE
Deflector Assy
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-00-251-443714940 INTERCHANGEABLE
Gasket
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5970-00-932-785914940-1 INTERCHANGEABLE
Insulator,strain
Dayton-Granger, Inc.
5945-00-954-2655 INTERCHANGEABLE
Relay,electromagnetic
6520-01-580-25001023D INTERCHANGEABLE
Compressor-Dehydrator,dental Equ
Den-Tal-Ez Alabama, Inc.
Cross-Reference Index
Part NumberManufacturer
14940 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
2810-00-118-2844INTERCHANGEABLE
DEFLECTOR ASSY
14940
5330-00-251-4437INTERCHANGEABLE
GASKET
14940
5970-00-932-7859INTERCHANGEABLE
INSULATOR,STRAIN
14940-1
5945-00-954-2655INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6520-01-580-2500INTERCHANGEABLE
COMPRESSOR-DEHYDRATOR,DENTAL EQU
1023D

Frequently Asked Questions

What is NSN 5340-00-900-2567?

NSN 5340-00-900-2567 is a Seat,helical Compression Spring, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-900-2567?

NSN 5340-00-900-2567 has 1 cross-referenced part number: 14940 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 5340-00-900-2567?

There are 5 known substitutes for 5340-00-900-2567: 2810-00-118-2844, 5330-00-251-4437, 5970-00-932-7859 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14940?

Key specifications for 14940: Bore Diameter: 0.1850 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN; Design Type: SOLID; End Diameter: 0.3350 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM IN; Distance From End to First Step: 0.0350 INCHES MINIMUM AND 0.0400 INCHES MAXIMUM 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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