PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1776Seat,helical Compression Spring

Droitcour Co · NSN 5340-01-418-7903 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-418-7903 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-418-7903. Primary manufacturer part number: 1776.
Features
  • Seat,helical Compression Spring — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Droitcour Co
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-418-7903, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Droitcour Co. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameSeat,helical Compression Spring
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersDroitcour Co (CAGE 94874)
Successor NSN5340-01-147-8142 — Clamp,loop
Technical Specifications
ParameterValue
NSN5340-01-418-7903
Primary Part Number1776
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerDroitcour Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Clamp,loop
4320-00-218-5941 INTERCHANGEABLE
Rotor,power
3940-00-263-3041S1801-860466 INTERCHANGEABLE
Block,tackle
Naval Ship Systems Command
6810-00-366-7048 INTERCHANGEABLE
Hydrazine Sulfate
9390-00-463-15361776 INTERCHANGEABLE
Nonmetallic Channel
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
3120-00-661-3910177-6 INTERCHANGEABLE
Bearing,sleeve
Manitowoc Engineering Co Division of the Manitowoc Co Inc
6645-00-663-6002 INTERCHANGEABLE
Clock,panel
5120-00-760-96721776 INTERCHANGEABLE
Compressor
Cooper Machinery Services Llc
5815-00-859-656101776 INTERCHANGEABLE
Pawl Assembly
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
6685-00-978-50691776 INTERCHANGEABLE
Pinion Assembly,handstaff
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
1776 PRIMARY Droitcour Co (USA)
2253-1-17 Droitcour Co (USA)
Related Parts
5340-01-147-8142SUCCESSOR
CLAMP,LOOP
4320-00-218-5941INTERCHANGEABLE
ROTOR,POWER
3940-00-263-3041INTERCHANGEABLE
BLOCK,TACKLE
S1801-860466
6810-00-366-7048INTERCHANGEABLE
HYDRAZINE SULFATE
9390-00-463-1536INTERCHANGEABLE
NONMETALLIC CHANNEL
1776
3120-00-661-3910INTERCHANGEABLE
BEARING,SLEEVE
177-6
6645-00-663-6002INTERCHANGEABLE
CLOCK,PANEL
5120-00-760-9672INTERCHANGEABLE
COMPRESSOR
1776
5815-00-859-6561INTERCHANGEABLE
PAWL ASSEMBLY
01776
6685-00-978-5069INTERCHANGEABLE
PINION ASSEMBLY,HANDSTAFF
1776
5930-01-041-6486INTERCHANGEABLE
SWITCH,ROTARY
1776
5998-01-070-4141INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5340-01-418-7903?

NSN 5340-01-418-7903 is a Seat,helical Compression Spring, manufactured by Droitcour Co, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-418-7903?

NSN 5340-01-418-7903 has 2 cross-referenced part numbers: 1776 (Droitcour Co), 2253-1-17 (Droitcour Co).

What NSN replaces 5340-01-418-7903?

There are 12 known substitutes for 5340-01-418-7903: 5340-01-147-8142, 4320-00-218-5941, 3940-00-263-3041 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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