The Cock,drain, cataloged under National Stock Number 4820-01-539-5245, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-539-5245 |
| Primary Part Number | 16-30367 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1Q 06 2413 ITEM 16 | Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter (USA) |
| 911498 | Isotta Fraschini Motori Spa (ITA) |
| 16-30367 PRIMARY | Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter (USA) |
| Reference | Meaning |
|---|---|
| 30366 | 5/9 Secondary reference Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter |
NSN 4820-01-539-5245 is a Cock,drain, manufactured by Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-539-5245 has 3 manufacturer part numbers on file: 1Q 06 2413 ITEM 16 (Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter), 911498 (Isotta Fraschini Motori Spa), 16-30367 (Separ of the Americas, Llc Dba Separ, Losing Filtertek Div Separ Filter).
2 possible matches (shared part number, not a government interchangeability claim): 6520-01-600-8874, 6150-01-628-1018. Verify interchangeability with system specifications before substitution.
Key specifications for 16-30367: Style Designator: STRAIGHT THRU; Special Features: NHA: SWK-2000 WATER FUEL SEPARATOR; Part Name Assigned by Controlling Agency: DRAIN VALVE; End Item Identification: NEW CONSTRUCTION LCS1. 2 specifications are documented in the U.S. Government catalog.
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.