PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-319Reducer,hose,fire Fighting

Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company · NSN 4210-01-160-5634 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-01-160-5634 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-160-5634. Primary manufacturer part number: S-319.
Features
  • Reducer,hose,fire Fighting — FSC 4210
  • Nominal Thread Size: 4.500 INCHES SECOND END IN
  • Connection Type: THREADED INTERNAL HOSE SECOND END
  • Material: COPPER ALLOY OVERALL
  • Thread Series Designator: NH FIRST END
  • Connection Style: GASKET SEAL (HOSE) SECOND END
  • FSC Application Data: USE ON FIRE FIGHTING EQUIPMENT
  • Thread Quantity Per Inch: 4 SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Reducer,hose,fire Fighting, cataloged under National Stock Number 4210-01-160-5634, 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 13 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4210-01-160-5634
Primary Part NumberS-319
Item NameReducer,hose,fire Fighting
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerElkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
StatusACTIVE
Nominal Thread Size4.500 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL HOSE SECOND END
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNH FIRST END
Connection StyleGASKET SEAL (HOSE) SECOND END
FSC Application DataUSE ON FIRE FIGHTING EQUIPMENT
Thread Quantity Per Inch4 SECOND END
Connection StyleGASKET SEAL (HOSE) FIRST END
Thread Quantity Per Inch4 FIRST END
Connection TypeTHREADED INTERNAL HOSE FIRST END
Thread Series DesignatorNH SECOND END
Nominal Thread Size6.000 INCHES FIRST END IN
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3455-00-232-902958-10143 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4210-00-240-8792 INTERCHANGEABLE
Tip,nozzle,fire Hose
4210-00-240-8796 INTERCHANGEABLE
Tip,nozzle,fire Hose
5325-00-442-5845 INTERCHANGEABLE
Ring,retaining
2990-00-495-0917 INTERCHANGEABLE
Muffler
3110-00-554-3275P200KZ3FS50000 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5365-01-030-9503419366-94 INTERCHANGEABLE
Shim
Raytheon Company Dba Raytheon
4720-01-139-7247S319 INTERCHANGEABLE
Hose Assembly,metallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
4820-01-243-3711 INTERCHANGEABLE
Valve,exhaust,relief
5998-01-463-9935B423 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
S-319 PRIMARY Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company (USA)
B423 Halprin Supply Co (USA)
Related Parts
3455-00-232-9029INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10143
4210-00-240-8792INTERCHANGEABLE
TIP,NOZZLE,FIRE HOSE
4210-00-240-8796INTERCHANGEABLE
TIP,NOZZLE,FIRE HOSE
5325-00-442-5845INTERCHANGEABLE
RING,RETAINING
2990-00-495-0917INTERCHANGEABLE
MUFFLER
3110-00-554-3275INTERCHANGEABLE
BEARING,BALL,ANNULAR
P200KZ3FS50000
5365-01-030-9503INTERCHANGEABLE
SHIM
419366-94
4720-01-139-7247INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
S319
4820-01-243-3711INTERCHANGEABLE
VALVE,EXHAUST,RELIEF
5998-01-463-9935INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B423

Frequently Asked Questions

What is NSN 4210-01-160-5634?

NSN 4210-01-160-5634 is a Reducer,hose,fire Fighting, 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 4210-01-160-5634?

NSN 4210-01-160-5634 has 2 cross-referenced part numbers: S-319 (Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company), B423 (Halprin Supply Co).

What NSN replaces 4210-01-160-5634?

There are 10 known substitutes for 4210-01-160-5634: 3455-00-232-9029, 4210-00-240-8792, 4210-00-240-8796 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-319?

Key specifications for S-319: Nominal Thread Size: 4.500 INCHES SECOND END IN; Connection Type: THREADED INTERNAL HOSE SECOND END; Material: COPPER ALLOY OVERALL; Thread Series Designator: NH FIRST END. 13 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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