The Valve,check, cataloged under National Stock Number 4820-00-528-2358, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Scovill Inc Schrader Bellows Div. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-528-2358 |
| Primary Part Number | 2291 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Scovill Inc Schrader Bellows Div |
| Status | CANCELLED |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Style | INVERTED FLARE (TUBE) SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Thread Series Designator | ANPT SECOND END |
| Seat Angle | 37.0 DEGREES FIRST END |
| Nondefinitive Spec/std Data | F STYLE |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Operating Pressure | 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | OXYGEN, GASEOUS SINGLE RESPONSE |
| Thread Series Designator | UNF FIRST END |
| Thread Class | 3A FIRST END A |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Thread Quantity Per Inch | 20 FIRST END |
| Test Data Document | 81349-MIL-V-7908 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Flow Control Device | CONE |
| Thread Quantity Per Inch | 18 SECOND END |
| Mounting Position | HORIZONTAL |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2291 | Scovill Inc Schrader Bellows Div (USA) |
| MIL-PRF-7908 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 11370 | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| 8148650 | Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA) |
| 11370 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| MS21211-6 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| M7908-6 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AN6035-1 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 4415 | Fluid Power, Inc. (USA) |
| 2291M | Scovill Inc Schrader Bellows Div (USA) |
NSN 4820-00-528-2358 is a Valve,check, manufactured by Scovill Inc Schrader Bellows Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-528-2358 has 10 cross-referenced part numbers: 2291 (Scovill Inc Schrader Bellows Div), MIL-PRF-7908 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 11370 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 11370 (Ingersoll-Rand Company Dba Ingersoll-Rand) and 5 more.
There are 12 known substitutes for 4820-00-528-2358: 1680-00-024-6336, 5120-00-050-4914, 5910-00-188-8686 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2291: Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Thread Direction: RIGHT-HAND FIRST END; Connection Style: INVERTED FLARE (TUBE) SECOND END; Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-528-2358 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.