The Cock,plug, cataloged under National Stock Number 4820-00-274-3643, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mc Donald a Y Mfg Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 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 | 4820-00-274-3643 |
| Primary Part Number | 9702 |
| Item Name | Cock,plug |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mc Donald a Y Mfg Co |
| Status | CANCELLED |
| Material | COPPER ALLOY OVERALL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Flow Style | TWO WAY TWO PORT 90 DEGREE PLUG TURN |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Valve Operation Method | MANUAL |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Thread Size | 1.250 INCHES ALL ENDS IN |
| Specification/standard Data | 81349-MIL-C-1203 GOVERNMENT SPECIFICATION |
| Furnished Items and Quantity | 1 WRENCH |
| Thread Series Designator | NPT ALL ENDS |
| Nondefinitive Spec/std Data | 2 TYPE AND A STYLE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 250-1-1-4 | Crane Co Div Valve Div (USA) |
| 50168 | R & M Energy Systems Tomball P (USA) |
| 250-1 1/4 | Crane Co Div Valve Div (USA) |
| 250-1 1/4IN 125 | Small P a and S Co (USA) |
| 9702 PRIMARY | Mc Donald a Y Mfg Co (USA) |
| MIL-C-1203 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 50168 | Acf Industries Inc (USA) |
| 250-1 1/4IN | Crane Co Div Valve Div (USA) |
| 806-1-2 | Crane Co Div Valve Div (USA) |
| 554 PRIMARY | The Walworth Company (USA) |
| 31321651 1-4-75F | Acf Industries Inc (USA) |
NSN 4820-00-274-3643 is a Cock,plug, manufactured by Mc Donald a Y Mfg Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-274-3643 has 11 cross-referenced part numbers: 250-1-1-4 (Crane Co Div Valve Div), 50168 (R & M Energy Systems Tomball P), 250-1 1/4 (Crane Co Div Valve Div), 250-1 1/4IN 125 (Small P a and S Co), 9702 (Mc Donald a Y Mfg Co) and 6 more.
There are 12 known substitutes for 4820-00-274-3643: 5305-00-141-5152, 5340-00-162-5243, 8020-00-397-2840 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9702: Material: COPPER ALLOY OVERALL; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Flow Style: TWO WAY TWO PORT 90 DEGREE PLUG TURN; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-274-3643 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.