The Valve,ball, cataloged under National Stock Number 4820-01-172-8229, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Imi Critical Engr Pbm Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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 | 4820-01-172-8229 |
| Primary Part Number | SP-B-12-S-2 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Imi Critical Engr Pbm Llc |
| Status | CANCELLED |
| Valve Operation Method | MANUAL |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Thread Series Designator | NPT ALL ENDS |
| Specification/standard Data | 81348-WW-V-35 GOVERNMENT SPECIFICATION |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nondefinitive Spec/std Data | A CLASS AND A STYLE AND II TYPE |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Material | BRONZE BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Material | STEEL COMP 316 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 071293-5 | Uniflite Inc (USA) |
| 4301T-SE 1/2IN | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 071293-5 | Sea Cure Technology, Inc (USA) |
| MSS-SP110 | Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA) |
| WW-V-35 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 1-2-SP-B-12-S-2 | Imi Critical Engr Pbm Llc (USA) |
| SP-B-12-S-2 PRIMARY | Imi Critical Engr Pbm Llc (USA) |
NSN 4820-01-172-8229 is a Valve,ball, manufactured by Imi Critical Engr Pbm Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-172-8229 has 7 cross-referenced part numbers: 071293-5 (Uniflite Inc), 4301T-SE 1/2IN (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 071293-5 (Sea Cure Technology, Inc), MSS-SP110 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), WW-V-35 (Federal Specifications Promulgated by General Services Administration Washington DC) and 2 more.
There are 12 known substitutes for 4820-01-172-8229: 4820-00-052-4646, 4820-00-052-4647, 4820-00-052-4651 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for SP-B-12-S-2: Valve Operation Method: MANUAL; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Thread Series Designator: NPT ALL ENDS; Specification/standard Data: 81348-WW-V-35 GOVERNMENT SPECIFICATION. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-172-8229 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.