NSN 4820-01-278-5528 · NIIN 012785528 · Part number RYB-921-9
Barber-Colman Co Environmental Controls Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 65149
Government record, cited
NSN 4820-01-278-5528 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-278-5528. Manufacturer of record part number: RYB-921-9.
Also searched as4820-01-278-5528 ·
4820012785528 ·
NIIN 012785528 ·
01-278-5528 ·
FSC 4820 Valves, Nonpowered · CAGE 65149 · RYB-921-9
Nearby stock numbers← 4820-01-278-5527 Parts Kit, Valve
·
4820-01-278-5529 Parts Kit, Valve →
4820-01-278-5528 — Valves, Nonpowered
Features
Parts Kit,valve — FSC 4820
Component Quantity: 2
Nonsupply Items and Quantities: PACKING STEM 1,PLUG ASSEMBLY 1
1 manufacturer part number on file
Manufacturer of record: Barber-Colman Co Environmental Controls Div
Identification
NSN: 4820-01-278-5528
NIIN: 012785528
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: RYB-921-9
Manufacturer: Barber-Colman Co Environmental Controls Div
General Description
The Parts Kit,valve, cataloged under National Stock Number 4820-01-278-5528, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Barber-Colman Co Environmental Controls Div. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4820-01-278-5528?
NSN 4820-01-278-5528 is a Parts Kit,valve, manufactured by Barber-Colman Co Environmental Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-278-5528?
NSN 4820-01-278-5528 has 1 manufacturer part number on file: RYB-921-9 (Barber-Colman Co Environmental Controls Div).
What are the specifications of RYB-921-9?
Key specifications for RYB-921-9: Component Quantity: 2; Nonsupply Items and Quantities: PACKING STEM 1,PLUG ASSEMBLY 1. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-278-5528 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.