PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1601-450Union,pipe

Flagg Stanley G & Co Inc Dba Flagg Brass · NSN 4730-00-287-0132 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-287-0132 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-287-0132. Primary manufacturer part number: 1601-450.
Features
  • Union,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 2.500 INCHES SECOND END IN
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Nominal Thread Size: 2.500 INCHES FIRST END IN
  • Coupling Flange Shape: HEXAGON
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Overall Length: 3.250 INCHES IN
  • Thread Series Designator: NPT SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-287-0132, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-287-0132
Primary Part Number1601-450
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFlagg Stanley G & Co Inc Dba Flagg Brass
StatusACTIVE
Nominal Pipe Size Accommodated2.500 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL PIPE SECOND END
Nominal Thread Size2.500 INCHES FIRST END IN
Coupling Flange ShapeHEXAGON
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length3.250 INCHES IN
Thread Series DesignatorNPT SECOND END
Style DesignatorTHREADED
MaterialIRON OVERALL
Connection StylePLAIN (PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST END
Nominal Pipe Size Accommodated2.500 INCHES FIRST END IN
Nominal Thread Size2.500 INCHES SECOND END IN
Reducer TypeCONCENTRIC
Thread Series DesignatorNPT FIRST END
Seat TypeGASKET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5998-01-065-2164219212 INTERCHANGEABLE
Circuit Card Assembly
Fluke Corp
2510-01-478-0341219212 INTERCHANGEABLE
Door,hatch,vehicle
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
1601-450 Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
B16.39 The American Society of Mechanical Engineers (USA)
219-2-1/2 Trans-Tech, Inc. (USA)
Related Parts
5998-01-065-2164INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
219212
2510-01-478-0341INTERCHANGEABLE
DOOR,HATCH,VEHICLE
219212

Frequently Asked Questions

What is NSN 4730-00-287-0132?

NSN 4730-00-287-0132 is a Union,pipe, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-287-0132?

NSN 4730-00-287-0132 has 3 cross-referenced part numbers: 1601-450 (Flagg Stanley G & Co Inc Dba Flagg Brass), B16.39 (The American Society of Mechanical Engineers), 219-2-1/2 (Trans-Tech, Inc.).

What NSN replaces 4730-00-287-0132?

There are 2 known substitutes for 4730-00-287-0132: 5998-01-065-2164, 2510-01-478-0341. Verify interchangeability with system specifications before substitution.

What are the specifications of 1601-450?

Key specifications for 1601-450: Nominal Pipe Size Accommodated: 2.500 INCHES SECOND END IN; Connection Type: THREADED INTERNAL PIPE SECOND END; Nominal Thread Size: 2.500 INCHES FIRST END IN; Coupling Flange Shape: HEXAGON. 16 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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