Valve-Control-Air O 4820-00-975-6956 NSN 4820-00-975-6956 · NIIN 009756956 · Part number 2151B3002
Ross Operating Valve Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 77927
NSN 4820-00-975-6956 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-975-6956. Manufacturer of record part number: 2151B3002 .
Also searched as
4820-00-975-6956 ·
4820009756956 ·
NIIN 009756956 ·
00-975-6956 ·
FSC 4820 Valves, Nonpowered · CAGE 77927 · 2151B3002 · 2651A3001
Nearby stock numbers
← 4820-00-975-4543 Valve, Regulating, Fluid Pressure
·
4820-00-975-6958 Valve-Selector-Thre →
4820-00-975-6956 — Valves, Nonpowered
Features
Valve-Control-Air O — FSC 4820 1 manufacturer part number on file Manufacturer of record: Ross Operating Valve Co
Identification
NSN: 4820-00-975-6956
NIIN: 009756956
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2151B3002
Manufacturer: Ross Operating Valve Co
General Description
The Valve-Control-Air O, cataloged under National Stock Number 4820-00-975-6956, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ross Operating Valve Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name Valve-Control-Air O FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Ross Operating Valve Co (CAGE 77927)
Technical Specifications
Parameter Value NSN 4820-00-975-6956 Primary Part Number 2151B3002 Item Name Valve-Control-Air O FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Ross Operating Valve Co Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part Number Manufacturer
2151B3002 PRIMARY Ross Operating Valve Co (USA)
Reference documents
Reference Meaning
2651A3001
5/9 Secondary reference Ross Operating Valve Co
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 4820-00-975-6956?
NSN 4820-00-975-6956 is a Valve-Control-Air O, manufactured by Ross Operating Valve Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-975-6956?
NSN 4820-00-975-6956 has 1 manufacturer part number on file: 2151B3002 (Ross Operating Valve Co).
Is NSN 4820-00-975-6956 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.
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