PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15373 1INValve,gate

Flowserve Inc · NSN 4820-01-248-5121 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-248-5121 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-248-5121. Primary manufacturer part number: 15373 1IN.
Features
  • Valve,gate — FSC 4820
  • Maximum Operating Temp and Media for Which Designed: 100.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF
  • Valve Size: 1.000 INCHES IN
  • Material Document and Classification: ASTMST1099 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Flange Face Design: RAISED
  • Inlet Relationship with Outlet: IDENTICAL
  • Operating Pressure and Type: 3705.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 3705.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Valve Operation Method: MANUAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Uns J03002 Disk construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-248-5121, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-01-248-5121
Primary Part Number15373 1IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Maximum Operating Temp and Media for Which Designed100.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF
Valve Size1.000 INCHES IN
Material Document and ClassificationASTMST1099 ASSN STD SINGLE MATERIAL RESPONSE BODY
Flange Face DesignRAISED
Inlet Relationship with OutletIDENTICAL
Operating Pressure and Type3705.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 3705.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Valve Operation MethodMANUAL
Bolt Hole Quantity8
Stem TypeRISING
Flange Diameter2.000 INCHES IN
MaterialSTEEL UNS J03002 DISK
Material Document and ClassificationASTMST1099 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Bonnet TypeINSIDE SCREW
Face to Face Distance10.000 INCHES IN
Material Document and ClassificationASTMST1099 ASSN STD SINGLE MATERIAL RESPONSE STEM
Connection TypeFLANGE, ROUND W/HOLES
MaterialSTEEL UNS J03002 STEM
Material Document and ClassificationASTMST1099 ASSN STD SINGLE MATERIAL RESPONSE DISK
MaterialSTEEL UNS J03002 SEAT
MaterialSTEEL UNS J03002 BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-371-695727390 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Struthers-Dunn Inc.
5935-00-960-278527390 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Struthers-Dunn Inc.
5325-01-188-97432650-27000 ITEM 8 INTERCHANGEABLE
Insert,screw Thread
Moog Inc. Dba Ampac-Isp Corp
2910-01-547-2607118-6321 INTERCHANGEABLE
Head,fluid Filter
Caterpillar Inc Div Caterpillar Defense
6130-01-600-003182025 INTERCHANGEABLE
Charger,battery
R.g. Enterprises (u.s.a.), Inc. Dba Rg Enterprises Inc
4030-01-644-820327390 INTERCHANGEABLE
Anchor Plate,wire Rope Assembly
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
Cross-Reference Index
Part NumberManufacturer
15373 1IN PRIMARY Flowserve Inc (USA)
FB-3804XU-F 1IN. PRIMARY Crane Co Div Valve Div (USA)
27390 Crane Co Div Valve Div (USA)
Related Parts
5935-00-371-6957INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
27390
5935-00-960-2785INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
27390
5325-01-188-9743INTERCHANGEABLE
INSERT,SCREW THREAD
2650-27000 ITEM 8
2910-01-547-2607INTERCHANGEABLE
HEAD,FLUID FILTER
118-6321
6130-01-600-0031INTERCHANGEABLE
CHARGER,BATTERY
82025
4030-01-644-8203INTERCHANGEABLE
ANCHOR PLATE,WIRE ROPE ASSEMBLY
27390

Frequently Asked Questions

What is NSN 4820-01-248-5121?

NSN 4820-01-248-5121 is a Valve,gate, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-248-5121?

NSN 4820-01-248-5121 has 3 cross-referenced part numbers: 15373 1IN (Flowserve Inc), FB-3804XU-F 1IN. (Crane Co Div Valve Div), 27390 (Crane Co Div Valve Div).

What NSN replaces 4820-01-248-5121?

There are 6 known substitutes for 4820-01-248-5121: 5935-00-371-6957, 5935-00-960-2785, 5325-01-188-9743 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15373 1IN?

Key specifications for 15373 1IN: Maximum Operating Temp and Media for Which Designed: 100.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF; Valve Size: 1.000 INCHES IN; Material Document and Classification: ASTMST1099 ASSN STD SINGLE MATERIAL RESPONSE BODY; Flange Face Design: RAISED. 20 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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