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NSN 4820-01-479-4801Government record, cited
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Valve, Flow Control4820-01-479-4801

NSN 4820-01-479-4801 · NIIN 014794801
FSC 4820 — Valves, Nonpowered · FSG 48 — Valves
Government record, cited
Also searched as  4820-01-479-4801 · 4820014794801 · NIIN 014794801 · 01-479-4801 · FSC 4820 Valves, Nonpowered · 2353-1391ACL 1.50 X 1.25IN · 2765-C · 2765C PN2353-1391ACL 1.50X1.25
Nearby stock numbers  ·
GATE VALVE PROFILE
4820-01-479-4801 — Valves, Nonpowered
Features
  • Valve,flow Control — FSC 4820
  • Flow Control Device: DIAPHRAGM
  • Nominal Pipe Size Accommodated: 1.250 INCHES AND 1.500 INCHES IN
  • Body Material Document and Classification: QQ-C-390B, ALLOY 836 FED SPEC SINGLE MATERIAL RESPONSE
  • Connection Type: SOCKET, WELD, PIPE
  • End Connection Quantity: 2
  • Body Material: COPPER ALLOY 836
  • Valve Operation Method: AUTOMATIC
Identification
  • NSN: 4820-01-479-4801
  • NIIN: 014794801
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-479-4801, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-479-4801
Item NameValve,flow Control
FSC / FSG4820 / 48 — Valves, Nonpowered
StatusACTIVE
Flow Control DeviceDIAPHRAGM
Nominal Pipe Size Accommodated1.250 INCHES AND 1.500 INCHES IN
Body Material Document and ClassificationQQ-C-390B, ALLOY 836 FED SPEC SINGLE MATERIAL RESPONSE
Connection TypeSOCKET, WELD, PIPE
End Connection Quantity2
Body MaterialCOPPER ALLOY 836
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-479-48045875-21SK POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-479-50962353-1382ACL 1.50 X 1.25IN POSSIBLE MATCH
VALVE,FLOW CONTROL
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-479-51265875-20SK POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-479-51312353-1401ACL 1.50X1.25IN POSSIBLE MATCH
VALVE,FLOW CONTROL
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-479-51492353-1412ACL 1.50 X 1.25IN POSSIBLE MATCH
VALVE,FLOW CONTROL
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-479-51682353-1431ACL 1.50 X 1.25IN POSSIBLE MATCH
VALVE,FLOW CONTROL
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-479-54025875-8SK POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-479-54085875-27SK POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-479-54265875-26SK POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-479-54335875-29SK POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
2353-1391ACL 1.50 X 1.25IN 3/2 Design control — primary reference
U.S. Government activity
2765-C D/9 Drawing number reference only
U.S. Government activity
2765C PN2353-1391ACL 1.50X1.25 5/2 Secondary reference
U.S. Government activity
Related Parts
4820-01-479-4804POSSIBLE MATCH
PARTS KIT,VALVE
5875-21SK
4820-01-479-5096POSSIBLE MATCH
VALVE,FLOW CONTROL
2353-1382ACL 1.50 X 1.25IN
4820-01-479-5126POSSIBLE MATCH
PARTS KIT,VALVE
5875-20SK
4820-01-479-5131POSSIBLE MATCH
VALVE,FLOW CONTROL
2353-1401ACL 1.50X1.25IN
4820-01-479-5149POSSIBLE MATCH
VALVE,FLOW CONTROL
2353-1412ACL 1.50 X 1.25IN
4820-01-479-5168POSSIBLE MATCH
VALVE,FLOW CONTROL
2353-1431ACL 1.50 X 1.25IN
4820-01-479-5402POSSIBLE MATCH
PARTS KIT,VALVE
5875-8SK
4820-01-479-5408POSSIBLE MATCH
PARTS KIT,VALVE
5875-27SK
4820-01-479-5426POSSIBLE MATCH
PARTS KIT,VALVE
5875-26SK
4820-01-479-5433POSSIBLE MATCH
PARTS KIT,VALVE
5875-29SK
4820-01-479-5443POSSIBLE MATCH
PARTS KIT,VALVE
5875-18SK

Frequently Asked Questions

What is NSN 4820-01-479-4801?

NSN 4820-01-479-4801 is a Valve,flow Control, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-479-4801?

11 possible matches (shared part number, not a government interchangeability claim): 4820-01-479-4804, 4820-01-479-5096, 4820-01-479-5126. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-479-4801?

Key specifications for 4820-01-479-4801: Flow Control Device: DIAPHRAGM; Nominal Pipe Size Accommodated: 1.250 INCHES AND 1.500 INCHES IN; Body Material Document and Classification: QQ-C-390B, ALLOY 836 FED SPEC SINGLE MATERIAL RESPONSE; Connection Type: SOCKET, WELD, PIPE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-479-4801 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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