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NSN 4820-01-508-8933Government record, cited
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Valve, Flow Control4820-01-508-8933

NSN 4820-01-508-8933 · NIIN 015088933
FSC 4820 — Valves, Nonpowered · FSG 48 — Valves
Government record, cited
Also searched as  4820-01-508-8933 · 4820015088933 · NIIN 015088933 · 01-508-8933 · FSC 4820 Valves, Nonpowered · 10010846 ASSY 2352-1471CRS · 2352-1471CRS · 10010846
Nearby stock numbers  ·
GATE VALVE PROFILE
4820-01-508-8933 — Valves, Nonpowered
Features
  • Valve,flow Control — FSC 4820
  • Disk Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Flow Control Device: DIAPHRAGM
  • Nominal Pipe Size Accommodated: 1.500 INCHES IN
  • Connection Type: SOCKET, WELD, PIPE
  • End Connection Quantity: 2
  • Body Material: COPPER ALLOY
  • Valve Operation Method: AUTOMATIC
Identification
  • NSN: 4820-01-508-8933
  • NIIN: 015088933
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-508-8933, 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7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4820-01-508-8933
Item NameValve,flow Control
FSC / FSG4820 / 48 — Valves, Nonpowered
StatusACTIVE
Disk MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Flow Control DeviceDIAPHRAGM
Nominal Pipe Size Accommodated1.500 INCHES IN
Connection TypeSOCKET, WELD, PIPE
End Connection Quantity2
Body MaterialCOPPER ALLOY
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 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-508-90205866CRS-8SK POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-508-92615866CRS-11SK POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-508-93745866CRS-7SK POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-508-95082352-1481CRS POSSIBLE MATCH
VALVE,FLOW CONTROL
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-509-06232352-1511CRS POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-540-90612352-1451CRS POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-541-01615866CRS-5SK POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-647-93935866CRS-10SK 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
10010846 ASSY 2352-1471CRS 5/2 Secondary reference
U.S. Government activity
2352-1471CRS 3/2 Design control — primary reference
U.S. Government activity
10010846 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4820-01-508-9020POSSIBLE MATCH
PARTS KIT,BALL VALVE
5866CRS-8SK
4820-01-508-9261POSSIBLE MATCH
PARTS KIT,VALVE
5866CRS-11SK
4820-01-508-9374POSSIBLE MATCH
PARTS KIT,BALL VALVE
5866CRS-7SK
4820-01-508-9508POSSIBLE MATCH
VALVE,FLOW CONTROL
2352-1481CRS
4820-01-509-0623POSSIBLE MATCH
VALVE,CALIBRATED FLOW
2352-1511CRS
4820-01-540-9061POSSIBLE MATCH
VALVE,CALIBRATED FLOW
2352-1451CRS
4820-01-541-0161POSSIBLE MATCH
PARTS KIT,VALVE
5866CRS-5SK
4820-01-647-9393POSSIBLE MATCH
PARTS KIT,VALVE
5866CRS-10SK

Frequently Asked Questions

What is NSN 4820-01-508-8933?

NSN 4820-01-508-8933 is a Valve,flow Control, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-508-8933?

8 possible matches (shared part number, not a government interchangeability claim): 4820-01-508-9020, 4820-01-508-9261, 4820-01-508-9374. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-508-8933?

Key specifications for 4820-01-508-8933: Disk Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Flow Control Device: DIAPHRAGM; Nominal Pipe Size Accommodated: 1.500 INCHES IN; Connection Type: SOCKET, WELD, PIPE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-508-8933 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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