NSN 4820-01-476-3256 · NIIN 014763256 · Part number VB-7313-0-4-11 21N
Barber-Colman Co Siebe Environmental Controls Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 075N6
Government record, cited
NSN 4820-01-476-3256 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-476-3256. Manufacturer of record part number: VB-7313-0-4-11 21N.
Nearby stock numbers← 4820-01-476-3203 Valve, Safety Relief
·
4820-01-476-3302 Body Section, Working, Linear Dire →
4820-01-476-3256 — Valves, Nonpowered
Features
Valve,three-Way — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Barber-Colman Co Siebe Environmental Controls Div
Identification
NSN: 4820-01-476-3256
NIIN: 014763256
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: VB-7313-0-4-11 21N
Manufacturer: Barber-Colman Co Siebe Environmental Controls Div
General Description
The Valve,three-Way, cataloged under National Stock Number 4820-01-476-3256, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Barber-Colman Co Siebe Environmental Controls Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Barber-Colman Co Siebe Environmental Controls Div (USA)
Reference documents
Reference
Meaning
VB-9313-0-4-11
C/1Advisory reference — outside the item-of-supply concept
Barber-Colman Co Siebe Environmental Controls Div
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 4820-01-476-3256?
NSN 4820-01-476-3256 is a Valve,three-Way, manufactured by Barber-Colman Co Siebe Environmental Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-476-3256?
NSN 4820-01-476-3256 has 1 manufacturer part number on file: VB-7313-0-4-11 21N (Barber-Colman Co Siebe Environmental Controls Div).
What are the specifications of VB-7313-0-4-11 21N?
Key specifications for VB-7313-0-4-11 21N: End Item Identification: AIR HDL UNIT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-476-3256 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.