The Valve,restrictor Check, cataloged under National Stock Number 4820-01-434-2534, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Allen Aircraft Products Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-434-2534 |
| Primary Part Number | 6R114 |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Allen Aircraft Products Inc |
| Status | ACTIVE |
| Connection Style | FLARELESS ALL ENDS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Surface Treatment | ANODIZE |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Material | ALUMINUM BODY |
| Thread Class | 3A ALL ENDS A |
| Mounting Position | VERTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6R114 PRIMARY | Allen Aircraft Products Inc (USA) |
NSN 4820-01-434-2534 is a Valve,restrictor Check, manufactured by Allen Aircraft Products Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-434-2534 has 1 cross-referenced part number: 6R114 (Allen Aircraft Products Inc).
There is 1 known substitute for 4820-01-434-2534: 5210-01-428-5500. Verify interchangeability with system specifications before substitution.
Key specifications for 6R114: Connection Style: FLARELESS ALL ENDS; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Surface Treatment: ANODIZE. 10 total characteristics are documented in the Federal Logistics Information System.