PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40121Coupling,hose,fire Fighting

Western Fire Equipment Co Sub of Premier Industrial Corp · NSN 4210-01-080-1457 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-01-080-1457 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-080-1457. Primary manufacturer part number: 40121.
Features
  • Coupling,hose,fire Fighting — FSC 4210
  • Connection Type: THREADED INTERNAL HOSE SECOND END
  • Connection Style: GASKET SEAL (HOSE) SECOND END
  • Thread Series Designator: NPSH SECOND END
  • Material: ALUMINUM ALLOY OVERALL
  • Nominal Overall Length: 2.250 INCHES IN
  • Nominal Thread Size: 1.000 INCHES SECOND END IN
  • Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Coupling,hose,fire Fighting, cataloged under National Stock Number 4210-01-080-1457, 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 Western Fire Equipment Co Sub of Premier Industrial Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4210-01-080-1457
Primary Part Number40121
Item NameCoupling,hose,fire Fighting
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerWestern Fire Equipment Co Sub of Premier Industrial Corp
StatusACTIVE
Connection TypeTHREADED INTERNAL HOSE SECOND END
Connection StyleGASKET SEAL (HOSE) SECOND END
Thread Series DesignatorNPSH SECOND END
MaterialALUMINUM ALLOY OVERALL
Nominal Overall Length2.250 INCHES IN
Nominal Thread Size1.000 INCHES SECOND END IN
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedWATER SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5110-00-156-0124 INTERCHANGEABLE
File,hand
3455-00-194-051510000 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
4210-00-294-2648 INTERCHANGEABLE
Reducer,hose,fire Fighting
4510-00-595-092340121 INTERCHANGEABLE
Bulb,flush,water Closet Tank
Danco Inc
3120-00-661-780740121 INTERCHANGEABLE
Bushing,sleeve
Northrop Grumman Systems Corporation Div Marine Systems
5305-00-807-644640121 INTERCHANGEABLE
Screw,wood
Hillman Group, Inc., the
4210-00-975-2969 INTERCHANGEABLE
Reducer,hose,fire Fighting
5330-00-998-3230648195 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
4210-01-079-9283 INTERCHANGEABLE
Coupling,hose,fire Fighting
4210-01-079-9284 INTERCHANGEABLE
Coupling,hose,fire Fighting
Cross-Reference Index
Part NumberManufacturer
40121 Western Fire Equipment Co Sub of Premier Industrial Corp (USA)
NFES 0710 Forest Service Specifications Promulgated by United States Forest Service Washington DC
5100-107 Forest Service Specifications Promulgated by United States Forest Service Washington DC
5100-00107 Forest Service Specifications Promulgated by United States Forest Service Washington DC
Related Parts
5110-00-156-0124INTERCHANGEABLE
FILE,HAND
3455-00-194-0515INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10000
4210-00-294-2648INTERCHANGEABLE
REDUCER,HOSE,FIRE FIGHTING
4510-00-595-0923INTERCHANGEABLE
BULB,FLUSH,WATER CLOSET TANK
40121
3120-00-661-7807INTERCHANGEABLE
BUSHING,SLEEVE
40121
5305-00-807-6446INTERCHANGEABLE
SCREW,WOOD
40121
4210-00-975-2969INTERCHANGEABLE
REDUCER,HOSE,FIRE FIGHTING
5330-00-998-3230INTERCHANGEABLE
GASKET
648195
4210-01-079-9283INTERCHANGEABLE
COUPLING,HOSE,FIRE FIGHTING
4210-01-079-9284INTERCHANGEABLE
COUPLING,HOSE,FIRE FIGHTING
4210-01-079-9285INTERCHANGEABLE
COUPLING,HOSE,FIRE FIGHTING
4210-01-079-9286INTERCHANGEABLE
REDUCER,HOSE,FIRE FIGHTING

Frequently Asked Questions

What is NSN 4210-01-080-1457?

NSN 4210-01-080-1457 is a Coupling,hose,fire Fighting, manufactured by Western Fire Equipment Co Sub of Premier Industrial Corp, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-01-080-1457?

NSN 4210-01-080-1457 has 4 cross-referenced part numbers: 40121 (Western Fire Equipment Co Sub of Premier Industrial Corp), NFES 0710 (Forest Service Specifications Promulgated by United States Forest Service Washington DC), 5100-107 (Forest Service Specifications Promulgated by United States Forest Service Washington DC), 5100-00107 (Forest Service Specifications Promulgated by United States Forest Service Washington DC).

What NSN replaces 4210-01-080-1457?

There are 12 known substitutes for 4210-01-080-1457: 5110-00-156-0124, 3455-00-194-0515, 4210-00-294-2648 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40121?

Key specifications for 40121: Connection Type: THREADED INTERNAL HOSE SECOND END; Connection Style: GASKET SEAL (HOSE) SECOND END; Thread Series Designator: NPSH SECOND END; Material: ALUMINUM ALLOY OVERALL. 8 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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