PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63800Seat,helical Compression Spring

Dresser, Llc · NSN 5340-00-384-1024 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-384-1024 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-384-1024. Primary manufacturer part number: 63800.
Features
  • Seat,helical Compression Spring — FSC 5340
  • First Step Length: 0.0940 INCHES NOMINAL IN
  • Second Step Diameter: 1.8120 INCHES NOMINAL IN
  • Distance From End to First Step: 0.2810 INCHES NOMINAL IN
  • Bore Taper in Deg: 8.583
  • Features Provided: CASEHARDENED
  • Second End Diameter: 0.8750 INCHES NOMINAL IN
  • End Diameter: 0.8120 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1212 construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-384-1024, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN5340-00-384-1024
Primary Part Number63800
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerDresser, Llc
StatusACTIVE
First Step Length0.0940 INCHES NOMINAL IN
Second Step Diameter1.8120 INCHES NOMINAL IN
Distance From End to First Step0.2810 INCHES NOMINAL IN
Bore Taper in Deg8.583
Features ProvidedCASEHARDENED
Second End Diameter0.8750 INCHES NOMINAL IN
End Diameter0.8120 INCHES NOMINAL IN
Design TypeSOLID
MaterialSTEEL COMP 1212
Bore Diameter0.7480 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
Chamfer Angle in Deg30.0
Seat Angle in Deg13.0
FSC Application Data1. VALVE ASSEMBLIES,GASOLINE ENGINE,EXCEPT AIRCRAFT PRIME MOVING AND STARTING ENGINE TYPES
Material Document and ClassificationAISI 81112 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1112 ASSN STD SINGLE MATERIAL RESPONSE
First Step Diameter1.4275 INCHES MINIMUM AND 1.4375 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
3020-00-521-350063800 INTERCHANGEABLE
Pulley,groove
Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum
1660-00-663-5287 INTERCHANGEABLE
Regulator,oxygen,demand
5995-01-382-0758600588 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
5330-01-408-543063800 INTERCHANGEABLE
Gasket
Spirax Sarco Inc Dba Spirax Sarco
5962-01-494-6595 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
05-51584 Kaitlin Corp (USA)
1A63800 Fwd Seagrave Holdings Lp (USA)
63800 PRIMARY Dresser, Llc (USA)
3H1926-1R21 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
3020-00-521-3500INTERCHANGEABLE
PULLEY,GROOVE
63800
1660-00-663-5287INTERCHANGEABLE
REGULATOR,OXYGEN,DEMAND
5995-01-382-0758INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
600588
5330-01-408-5430INTERCHANGEABLE
GASKET
63800
5962-01-494-6595INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5340-00-384-1024?

NSN 5340-00-384-1024 is a Seat,helical Compression Spring, manufactured by Dresser, Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-384-1024?

NSN 5340-00-384-1024 has 4 cross-referenced part numbers: 05-51584 (Kaitlin Corp), 1A63800 (Fwd Seagrave Holdings Lp), 63800 (Dresser, Llc), 3H1926-1R21 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5340-00-384-1024?

There are 5 known substitutes for 5340-00-384-1024: 3020-00-521-3500, 1660-00-663-5287, 5995-01-382-0758 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 63800?

Key specifications for 63800: First Step Length: 0.0940 INCHES NOMINAL IN; Second Step Diameter: 1.8120 INCHES NOMINAL IN; Distance From End to First Step: 0.2810 INCHES NOMINAL IN; Bore Taper in Deg: 8.583. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com