The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-282-4121, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-282-4121 |
| Primary Part Number | 916666 |
| Item Name | Valve,vacuum Breaking |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B-3637 916666 | Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA) |
| B-3637 916666 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 916666 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
| B-3637 916666 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
| 916666 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 916666 | Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA) |
| 916666 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| B-3637 916666 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| B2311 PRIMARY | Niantic Tool, Inc. Dba Niantic Tool Co (USA) |
| 90032 PRIMARY | Niantic Tool, Inc. Dba Niantic Tool Co (USA) |
NSN 4820-01-282-4121 is a Valve,vacuum Breaking, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-282-4121 has 10 cross-referenced part numbers: B-3637 916666 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), B-3637 916666 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 916666 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), B-3637 916666 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 916666 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions) and 5 more.
There are 10 known substitutes for 4820-01-282-4121: 3110-00-554-6848, 5180-00-701-8046, 4820-01-127-5600 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 916666: Special Features: OD 1.000 IN. IN. 1 total characteristics are documented in the Federal Logistics Information System.