The Valve,check, cataloged under National Stock Number 4820-00-181-9248, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-181-9248 |
| Primary Part Number | 2632T4TT5 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Criticality Code Justification | FEAT |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Criticality Code Justification | FEAT |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 69250 | Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA) |
| 209-060-657 | Bell Textron Inc (USA) |
| 2632T4TT5 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| 209-060-657-001 | Bell Textron Inc (USA) |
| 69250 | Kaiser Fluid Technologies Inc. (USA) |
| 209-060-657-1 | Bell Textron Inc (USA) |
NSN 4820-00-181-9248 is a Valve,check, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-181-9248 has 6 cross-referenced part numbers: 69250 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair), 209-060-657 (Bell Textron Inc), 2632T4TT5 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 209-060-657-001 (Bell Textron Inc), 69250 (Kaiser Fluid Technologies Inc.) and 1 more.
There are 4 known substitutes for 4820-00-181-9248: 5895-01-056-7998, 4730-01-288-7616, 6350-01-504-9279 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2632T4TT5: Style Designator: STRAIGHT THRU; Style Designator: STRAIGHT THRU; End Item Identification: HELICOPTER,IROQUOIS UH-1;HELICOPTER,COBRA/TOW,AH SERIES; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END. 19 total characteristics are documented in the Federal Logistics Information System.