PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MODEL 1,2-1/2X2-1/2,ROCKER LUGSSiamese Connection,fire Hose

Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company · NSN 4210-01-263-0920 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-01-263-0920 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-263-0920. Primary manufacturer part number: MODEL 1,2-1/2X2-1/2,ROCKER LUGS.
Features
  • Siamese Connection,fire Hose — FSC 4210
  • Surface Treatment: ENAMEL
  • Inlet Connection Type and Quantity: 1 THREADED INTERNAL SWIVEL
  • Features Provided: ROCKER LUGS AND WRENCHING PIN
  • Inlet Nominal Thread Size: 2.500 INCHES IN
  • Outlet Thread Series Designator: NH
  • Material: COPPER ALLOY
  • Inlet Thread Series Designator: NH
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Siamese Connection,fire Hose, cataloged under National Stock Number 4210-01-263-0920, is classified within Federal Supply Class 4210 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4210-01-263-0920
Primary Part NumberMODEL 1,2-1/2X2-1/2,ROCKER LUGS
Item NameSiamese Connection,fire Hose
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerElkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
StatusACTIVE
Surface TreatmentENAMEL
Inlet Connection Type and Quantity1 THREADED INTERNAL SWIVEL
Features ProvidedROCKER LUGS AND WRENCHING PIN
Inlet Nominal Thread Size2.500 INCHES IN
Outlet Thread Series DesignatorNH
MaterialCOPPER ALLOY
Inlet Thread Series DesignatorNH
Outlet Connection Type and Quantity2 THREADED EXTERNAL HOSE
Outlet Nominal Thread Size2.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9540-00-145-4524 INTERCHANGEABLE
Angle,structural
2940-00-374-7376S78 INTERCHANGEABLE
Air Cleaner,intake
Vortox Company
5331-00-514-48041JH4350REVCPC INTERCHANGEABLE
O-Ring
Westinghouse Electric Corp
3455-01-080-96611745-1250 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
6140-01-281-8855S78 INTERCHANGEABLE
Battery,storage
Stryten Energy Llc Dba Stryten Manufacturing
7025-01-561-7159S78 INTERCHANGEABLE
Processor,file Server
Hewlett-Packard Company Dba HP
Cross-Reference Index
Part NumberManufacturer
S78 Halprin Supply Co (USA)
MODEL 1,2-1/2X2-1/2,ROCKER LUGS PRIMARY Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company (USA)
Related Parts
9540-00-145-4524INTERCHANGEABLE
ANGLE,STRUCTURAL
2940-00-374-7376INTERCHANGEABLE
AIR CLEANER,INTAKE
S78
5331-00-514-4804INTERCHANGEABLE
O-RING
1JH4350REVCPC
3455-01-080-9661INTERCHANGEABLE
CUTTER,MILLING,END
1745-1250
6140-01-281-8855INTERCHANGEABLE
BATTERY,STORAGE
S78
7025-01-561-7159INTERCHANGEABLE
PROCESSOR,FILE SERVER
S78

Frequently Asked Questions

What is NSN 4210-01-263-0920?

NSN 4210-01-263-0920 is a Siamese Connection,fire Hose, manufactured by Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-01-263-0920?

NSN 4210-01-263-0920 has 2 cross-referenced part numbers: S78 (Halprin Supply Co), MODEL 1,2-1/2X2-1/2,ROCKER LUGS (Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company).

What NSN replaces 4210-01-263-0920?

There are 6 known substitutes for 4210-01-263-0920: 9540-00-145-4524, 2940-00-374-7376, 5331-00-514-4804 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MODEL 1,2-1/2X2-1/2,ROCKER LUGS?

Key specifications for MODEL 1,2-1/2X2-1/2,ROCKER LUGS: Surface Treatment: ENAMEL; Inlet Connection Type and Quantity: 1 THREADED INTERNAL SWIVEL; Features Provided: ROCKER LUGS AND WRENCHING PIN; Inlet Nominal Thread Size: 2.500 INCHES IN. 9 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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