PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

628912Seat,helical Compression Spring

Hamilton Sundstrand Corporation · NSN 5340-00-319-3844 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-319-3844 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-319-3844. Primary manufacturer part number: 628912.
Features
  • Seat,helical Compression Spring — FSC 5340
  • Design Type: SOLID
  • FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
  • Material Document and Classification: AMS 5010 ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL COMP 1212
  • 1 verified cross-reference
  • Primary manufacturer: Hamilton Sundstrand Corporation
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 5340-00-319-3844, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 4 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-319-3844
Primary Part Number628912
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
Design TypeSOLID
FSC Application DataAIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
Material Document and ClassificationAMS 5010 ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP 1212
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
3040-00-815-7839628912 INTERCHANGEABLE
Gearshaft,spur
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
2940-01-245-0061004122V040 INTERCHANGEABLE
Air Cleaner,intake
Kovatch Corp.
Cross-Reference Index
Part NumberManufacturer
628912 PRIMARY Hamilton Sundstrand Corporation (USA)
Related Parts
3040-00-815-7839INTERCHANGEABLE
GEARSHAFT,SPUR
628912
2940-01-245-0061INTERCHANGEABLE
AIR CLEANER,INTAKE
004122V040

Frequently Asked Questions

What is NSN 5340-00-319-3844?

NSN 5340-00-319-3844 is a Seat,helical Compression Spring, manufactured by Hamilton Sundstrand Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-319-3844?

NSN 5340-00-319-3844 has 1 cross-referenced part number: 628912 (Hamilton Sundstrand Corporation).

What NSN replaces 5340-00-319-3844?

There are 2 known substitutes for 5340-00-319-3844: 3040-00-815-7839, 2940-01-245-0061. Verify interchangeability with system specifications before substitution.

What are the specifications of 628912?

Key specifications for 628912: Design Type: SOLID; FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS; Material Document and Classification: AMS 5010 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL COMP 1212. 4 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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