The Valve,vent, cataloged under National Stock Number 4820-01-281-4377, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Waukesha Bearings Corporation. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-281-4377 |
| Primary Part Number | 000991698 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Waukesha Bearings Corporation |
| Status | ACTIVE |
| Nominal Thickness | 0.940 INCHES ALL ENDS IN |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Material | ALUMINUM BODY |
| Face to Face Distance | 8.350 INCHES IN |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 3.000 INCHES IN |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Flange Shape | ROUND ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 000991698 | Waukesha Bearings Corporation (USA) |
| 000991698-000-000 | Waukesha Bearings Corporation (USA) |
| M4 3.000 INCH | Atlas Incinerators A/s (DNK) |
NSN 4820-01-281-4377 is a Valve,vent, manufactured by Waukesha Bearings Corporation, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-281-4377 has 3 cross-referenced part numbers: 000991698 (Waukesha Bearings Corporation), 000991698-000-000 (Waukesha Bearings Corporation), M4 3.000 INCH (Atlas Incinerators A/s).
There are 3 known substitutes for 4820-01-281-4377: 4820-01-281-5292, 4730-01-281-9400, 4820-01-282-1721. Verify interchangeability with system specifications before substitution.
Key specifications for 000991698: Nominal Thickness: 0.940 INCHES ALL ENDS IN; Flange Face Design: PLAIN ALL ENDS; Connection Type: FLANGE ALL ENDS; Material: ALUMINUM BODY. 10 total characteristics are documented in the Federal Logistics Information System.