PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32448Seat,helical Compression Spring

Napco International Llc Dba Napco International Inc · NSN 5340-00-914-8395 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-914-8395 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-914-8395. Primary manufacturer part number: 32448.
Features
  • Seat,helical Compression Spring — FSC 5340
  • Distance From End to First Step: 0.1410 INCHES NOMINAL IN
  • End Diameter: 0.8120 INCHES NOMINAL IN
  • First Step Length: 0.1090 INCHES NOMINAL IN
  • Material: STEEL COMP 4140
  • Seat Angle in Deg: 30.0
  • Material Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM
  • Second Step Diameter: 1.7180 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 4140 construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-914-8395, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-914-8395
Primary Part Number32448
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
Distance From End to First Step0.1410 INCHES NOMINAL IN
End Diameter0.8120 INCHES NOMINAL IN
First Step Length0.1090 INCHES NOMINAL IN
MaterialSTEEL COMP 4140
Seat Angle in Deg30.0
Material Hardness Rating50.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM
Second Step Diameter1.7180 INCHES NOMINAL IN
First Step Diameter1.3610 INCHES MINIMUM AND 1.3710 INCHES MAXIMUM IN
Material Document and ClassificationAISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE
Style DesignatorSEAT
Design TypeSOLID
Second End Diameter1.2500 INCHES NOMINAL IN
Bore Taper in Deg14.3
Bore Diameter0.6540 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5940-00-345-938932448 INTERCHANGEABLE
Terminal,quick Disconnect
Te Connectivity Corporation
5961-00-788-365058242 INTERCHANGEABLE
Diode
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
32448 PRIMARY Napco International Llc Dba Napco International Inc (USA)
32448 Napco Industries Inc Diesel Engine Div (USA)
Related Parts
5940-00-345-9389INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
32448
5961-00-788-3650INTERCHANGEABLE
DIODE
58242

Frequently Asked Questions

What is NSN 5340-00-914-8395?

NSN 5340-00-914-8395 is a Seat,helical Compression Spring, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-914-8395?

NSN 5340-00-914-8395 has 2 cross-referenced part numbers: 32448 (Napco International Llc Dba Napco International Inc), 32448 (Napco Industries Inc Diesel Engine Div).

What NSN replaces 5340-00-914-8395?

There are 2 known substitutes for 5340-00-914-8395: 5940-00-345-9389, 5961-00-788-3650. Verify interchangeability with system specifications before substitution.

What are the specifications of 32448?

Key specifications for 32448: Distance From End to First Step: 0.1410 INCHES NOMINAL IN; End Diameter: 0.8120 INCHES NOMINAL IN; First Step Length: 0.1090 INCHES NOMINAL IN; Material: STEEL COMP 4140. 16 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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