PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4503Chain Section

Jeffrey Chain L.p. · NSN 2030-00-399-4902 · FSC 2030 · No Item Name Available
Verified by PartsTable
NSN 2030-00-399-4902 — this item is cataloged by the U.S. Government under National Stock Number 2030-00-399-4902. Primary manufacturer part number: 4503.
Features
  • Chain Section — FSC 2030
  • 2 verified cross-references
  • Primary manufacturer: Jeffrey Chain L.p.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chain Section, cataloged under National Stock Number 2030-00-399-4902, is classified within Federal Supply Class 2030 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Jeffrey Chain L.p.. 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.

Catalog Facts
Item NameChain Section
FSC / FSG2030 — No Item Name Available (FSG 20)
ManufacturersJeffrey Chain L.p. (CAGE 55739)
Technical Specifications
ParameterValue
NSN2030-00-399-4902
Primary Part Number4503
Item NameChain Section
FSC / FSG2030 / 20 — No Item Name Available
ManufacturerJeffrey Chain L.p.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-081-7768 INTERCHANGEABLE
Circuit Card Assembly
5945-00-258-9852SMC144572 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5110-00-268-129250-10957 INTERCHANGEABLE
Reamer,hand
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5360-00-446-87984503 INTERCHANGEABLE
Spring,helical,compression
Northrop Grumman Systems Corporation Div Marine Systems
6240-00-539-8412 INTERCHANGEABLE
Lamp,incandescent
5950-00-766-85462520885PC1 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3040-00-767-7206 INTERCHANGEABLE
Worm Shaft
5999-00-828-90075682-41 INTERCHANGEABLE
Clip,electrical
Cooper Bussmann, Llc Dba Cooper Industries
7330-00-969-03804503 INTERCHANGEABLE
Plate,meat Grinder
Middleby Marshall Inc Conveyor Ovens and Mixers Div
4930-01-005-378713217E3059 INTERCHANGEABLE
Harness Assembly,vehicular
Cecom Lr Center
Cross-Reference Index
Part NumberManufacturer
4503 PRIMARY Jeffrey Chain L.p. (USA)
32315-PC4503 Jeffrey Chain L.p. (USA)
Related Parts
5998-00-081-7768INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5945-00-258-9852INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SMC144572
5110-00-268-1292INTERCHANGEABLE
REAMER,HAND
50-10957
5360-00-446-8798INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4503
6240-00-539-8412INTERCHANGEABLE
LAMP,INCANDESCENT
5950-00-766-8546INTERCHANGEABLE
TRANSFORMER,POWER
2520885PC1
3040-00-767-7206INTERCHANGEABLE
WORM SHAFT
5999-00-828-9007INTERCHANGEABLE
CLIP,ELECTRICAL
5682-41
7330-00-969-0380INTERCHANGEABLE
PLATE,MEAT GRINDER
4503
4930-01-005-3787INTERCHANGEABLE
HARNESS ASSEMBLY,VEHICULAR
13217E3059
5985-01-096-1610INTERCHANGEABLE
ATTENUATOR,FIXED
4503
5950-01-172-2292INTERCHANGEABLE
TRANSFORMER,POWER
4503

Frequently Asked Questions

What is NSN 2030-00-399-4902?

NSN 2030-00-399-4902 is a Chain Section, manufactured by Jeffrey Chain L.p., classified under FSC 2030 (No Item Name Available). Status: active.

What are the part numbers for NSN 2030-00-399-4902?

NSN 2030-00-399-4902 has 2 cross-referenced part numbers: 4503 (Jeffrey Chain L.p.), 32315-PC4503 (Jeffrey Chain L.p.).

What NSN replaces 2030-00-399-4902?

There are 12 known substitutes for 2030-00-399-4902: 5998-00-081-7768, 5945-00-258-9852, 5110-00-268-1292 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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