The Cock,shutoff,screw Stem, cataloged under National Stock Number 4820-01-523-3439, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Jb Industries Inc. Government technical data includes 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-523-3439 |
| Primary Part Number | PR-2 |
| Item Name | Cock,shutoff,screw Stem |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Jb Industries Inc |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | OIL SINGLE RESPONSE |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PR-2 | Jb Industries Inc (USA) |
NSN 4820-01-523-3439 is a Cock,shutoff,screw Stem, manufactured by Jb Industries Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-523-3439 has 1 cross-referenced part number: PR-2 (Jb Industries Inc).
There are 7 known substitutes for 4820-01-523-3439: 6240-00-155-7786, 5905-00-195-2220, 5905-00-279-3814 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for PR-2: Valve Operation Method: MANUAL; Style Designator: STRAIGHT THRU; Special Features: USED ON J/B INDUSTRIES DV-142N SERIES DEEP VACUUM PUMPS MANUFACTURED PRIOR TO JANUARY 2001; Media for Which Designed: OIL SINGLE RESPONSE. 6 total characteristics are documented in the Federal Logistics Information System.