PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5226Union,pipe

Flagg Stanley G & Co Inc Dba Flagg Brass · NSN 4730-00-542-5959 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-5959 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-5959. Primary manufacturer part number: 5226.
Features
  • Union,pipe — FSC 4730
  • Specification/standard Data: 81349-MIL-F-1183 GOVERNMENT SPECIFICATION
  • Material: COPPER ALLOY 922 OVERALL
  • 5 verified cross-references
  • Primary manufacturer: Flagg Stanley G & Co Inc Dba Flagg Brass
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 922 Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-542-5959, 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 Flagg Stanley G & Co Inc Dba Flagg Brass. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-542-5959
Primary Part Number5226
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFlagg Stanley G & Co Inc Dba Flagg Brass
StatusCANCELLED
Specification/standard Data81349-MIL-F-1183 GOVERNMENT SPECIFICATION
MaterialCOPPER ALLOY 922 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
6740-00-102-536172-1300 INTERCHANGEABLE
Connector,spindle
Pakon Inc Dba Impak Division
4510-00-273-1218 INTERCHANGEABLE
Handle,faucet
4730-00-355-3669203755N INTERCHANGEABLE
Nut,tube Coupling
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5950-00-647-644621000061 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc.
5999-01-009-0242 INTERCHANGEABLE
Light-Switch
2530-01-177-4784 INTERCHANGEABLE
Caliper Assembly,disc Brake
2540-01-306-6875 INTERCHANGEABLE
Blade,windshield Wiper
6230-01-382-5745 INTERCHANGEABLE
Light,extension
5120-01-399-9548 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
5226 Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
MIL-DTL-1183/10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1183/10-32N1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
71-1236072-4 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
MILF1183 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6740-00-102-5361INTERCHANGEABLE
CONNECTOR,SPINDLE
72-1300
4510-00-273-1218INTERCHANGEABLE
HANDLE,FAUCET
4730-00-355-3669INTERCHANGEABLE
NUT,TUBE COUPLING
203755N
5950-00-647-6446INTERCHANGEABLE
REACTOR
21000061
5999-01-009-0242INTERCHANGEABLE
LIGHT-SWITCH
2530-01-177-4784INTERCHANGEABLE
CALIPER ASSEMBLY,DISC BRAKE
2540-01-306-6875INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
6230-01-382-5745INTERCHANGEABLE
LIGHT,EXTENSION
5120-01-399-9548INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4730-00-542-5959?

NSN 4730-00-542-5959 is a Union,pipe, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-542-5959?

NSN 4730-00-542-5959 has 5 cross-referenced part numbers: 5226 (Flagg Stanley G & Co Inc Dba Flagg Brass), MIL-DTL-1183/10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1183/10-32N1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 71-1236072-4 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), MILF1183 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-542-5959?

There are 9 known substitutes for 4730-00-542-5959: 6740-00-102-5361, 4510-00-273-1218, 4730-00-355-3669 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5226?

Key specifications for 5226: Specification/standard Data: 81349-MIL-F-1183 GOVERNMENT SPECIFICATION; Material: COPPER ALLOY 922 OVERALL. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-542-5959 still in active supply?

NSN 4730-00-542-5959 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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