The Valve,check, cataloged under National Stock Number 4820-01-161-5059, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bergstrom Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-161-5059 |
| Primary Part Number | 58579 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Bergstrom Inc |
| Status | ACTIVE |
| Connection Type | UNTHREADED EXTERNAL TUBE ALL ENDS |
| Connection Style | GROOVED (TUBE) ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | AUTOMATIC |
| Nominal Outside Diameter Tube Accommodated | 0.563 INCHES ALL ENDS IN |
| Material | RUBBER OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 173070 | Austin-Westran Llc (USA) |
| 2AL424 | Oshkosh Defense Llc (USA) |
| 5122509-002-101 | Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions (USA) |
| 58579 PRIMARY | Bergstrom Inc (USA) |
| 2AL424 | Oshkosh Corp (USA) |
NSN 4820-01-161-5059 is a Valve,check, manufactured by Bergstrom Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-161-5059 has 5 cross-referenced part numbers: 173070 (Austin-Westran Llc), 2AL424 (Oshkosh Defense Llc), 5122509-002-101 (Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions), 58579 (Bergstrom Inc), 2AL424 (Oshkosh Corp).
There are 2 known substitutes for 4820-01-161-5059: 5961-00-435-3704, 5360-01-169-2384. Verify interchangeability with system specifications before substitution.
Key specifications for 58579: Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS; Connection Style: GROOVED (TUBE) ALL ENDS; Style Designator: STRAIGHT THRU; Valve Operation Method: AUTOMATIC. 6 total characteristics are documented in the Federal Logistics Information System.