Nominal Pipe Size Accommodated: 0.125 INCHES ALL ENDS IN
Connection Style: INVERTED FLARE(PIPE) ALL ENDS
Connection Type: THREADED EXTERNAL PIPE ALL ENDS
Material Document and Classification: AISI 316L ASSN STD SINGLE MATERIAL RESPONSE BODY
Bonnet Type: INSIDE SCREW
Bonnet Attachment Method: THREADED
Identification
NSN: 4820-01-178-2591
NIIN: 011782591
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve,globe, cataloged under National Stock Number 4820-01-178-2591, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-178-2591
Item Name
Valve,globe
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Flow Control Device
NEEDLE
Nominal Pipe Size Accommodated
0.125 INCHES ALL ENDS IN
Connection Style
INVERTED FLARE(PIPE) ALL ENDS
Connection Type
THREADED EXTERNAL PIPE ALL ENDS
Material Document and Classification
AISI 316L ASSN STD SINGLE MATERIAL RESPONSE BODY
Bonnet Type
INSIDE SCREW
Bonnet Attachment Method
THREADED
Material
STEEL BODY
Valve Operation Method
MANUAL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
HRCV-B6-S
3/9Design control — primary reference
Porter George K Inc
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-178-2591?
NSN 4820-01-178-2591 is a Valve,globe, classified under FSC 4820, Valves, Nonpowered. Status: active.
What are the specifications of 4820-01-178-2591?
Key specifications for 4820-01-178-2591: Flow Control Device: NEEDLE; Nominal Pipe Size Accommodated: 0.125 INCHES ALL ENDS IN; Connection Style: INVERTED FLARE(PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-178-2591 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.