The Valve,vent, cataloged under National Stock Number 4820-01-122-3631, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tyco Fire Products Lp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-122-3631 |
| Primary Part Number | 28037 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING BODY |
| Style Designator | STRAIGHT THRU |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Thread Series Designator | NPT ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-122-3631 is a Valve,vent, manufactured by Tyco Fire Products Lp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-122-3631 has 2 cross-referenced part numbers: 28037N (Tyco Fire Products Lp), 28037 (Tyco Fire Products Lp).
There are 6 known substitutes for 4820-01-122-3631: 4330-00-287-1913, 5360-00-308-7557, 5950-00-603-7154 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 28037: Material: STEEL CORROSION RESISTING BODY; Style Designator: STRAIGHT THRU; Connection Style: PLAIN (PIPE) ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS. 7 total characteristics are documented in the Federal Logistics Information System.