PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NBR DN 50 YELLOWExpansion Joint,pipe

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 4730-01-303-1103 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-303-1103 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-303-1103. Primary manufacturer part number: NBR DN 50 YELLOW.
Features
  • Expansion Joint,pipe — FSC 4730
  • 5 verified cross-references
  • Primary manufacturer: Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-303-1103, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameExpansion Joint,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (CAGE 16236); Asrc Federal Facilities Logistics, Llc (CAGE 79343); Ulstein Bergen A/s (CAGE N0379); Elaflex Hiby Gmbh & Co. Kg (CAGE D9779); Rolls-Royce Marine North America Inc (CAGE 1TH76)
Technical Specifications
ParameterValue
NSN4730-01-303-1103
Primary Part NumberNBR DN 50 YELLOW
Item NameExpansion Joint,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-025-117217797 INTERCHANGEABLE
Gear and Pinion Set
Dana Corp Spicer Transmission Div
5360-00-205-542617797 INTERCHANGEABLE
Spring,helical,compression
Hdt Expeditionary Systems Inc
3040-01-303-920717760 INTERCHANGEABLE
Shaft,shouldered
Coffin Turbo Pump Inc
5325-01-329-5583 INTERCHANGEABLE
Ring,retaining
6515-01-590-337602.210.124 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
NBR DN 50 YELLOW Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
017797 Asrc Federal Facilities Logistics, Llc (USA)
17797 Ulstein Bergen A/s (NOR)
NBR DN 50 YELLOW Elaflex Hiby Gmbh & Co. Kg (DEU)
017797 Rolls-Royce Marine North America Inc (USA)
Related Parts
3020-00-025-1172INTERCHANGEABLE
GEAR AND PINION SET
17797
5360-00-205-5426INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
17797
3040-01-303-9207INTERCHANGEABLE
SHAFT,SHOULDERED
17760
5325-01-329-5583INTERCHANGEABLE
RING,RETAINING
6515-01-590-3376INTERCHANGEABLE
SCREW,BONE
02.210.124

Frequently Asked Questions

What is NSN 4730-01-303-1103?

NSN 4730-01-303-1103 is a Expansion Joint,pipe, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-303-1103?

NSN 4730-01-303-1103 has 5 cross-referenced part numbers: NBR DN 50 YELLOW (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 017797 (Asrc Federal Facilities Logistics, Llc), 17797 (Ulstein Bergen A/s), NBR DN 50 YELLOW (Elaflex Hiby Gmbh & Co. Kg), 017797 (Rolls-Royce Marine North America Inc).

What NSN replaces 4730-01-303-1103?

There are 5 known substitutes for 4730-01-303-1103: 3020-00-025-1172, 5360-00-205-5426, 3040-01-303-9207 and 2 more. Verify interchangeability with system specifications before substitution.

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