The Valve,vent, cataloged under National Stock Number 4420-01-196-4707, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Tate Andale, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,vent |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Tate Andale, Llc (CAGE 09032) |
| Parameter | Value |
|---|---|
| NSN | 4420-01-196-4707 |
| Primary Part Number | N5506 PIECE 139 |
| Item Name | Valve,vent |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| N5506 PIECE 139 PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| N5506 | D/9 Drawing number reference only Tate Andale, Llc |
NSN 4420-01-196-4707 is a Valve,vent, manufactured by Tate Andale, Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-01-196-4707 has 1 manufacturer part number on file: N5506 PIECE 139 (Tate Andale, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4420-01-196-7547, 4420-01-196-7637. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.