The Valve,tractor Prote, cataloged under National Stock Number 4820-01-155-0181, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sloan Transportation Products Div of Bld Products Ltd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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,tractor Prote |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Am General Llc (CAGE 34623); Sloan Transportation Products Div of Bld Products Ltd (CAGE 0N972) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-155-0181 |
| Primary Part Number | 401032 |
| Item Name | Valve,tractor Prote |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sloan Transportation Products Div of Bld Products Ltd |
| 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 |
|---|---|
| 5731944 | Am General Llc (USA) |
| 401032 PRIMARY | Sloan Transportation Products Div of Bld Products Ltd (USA) |
| Reference | Meaning |
|---|---|
| 1061A | 5/9 Secondary reference Sloan Valve Company |
| 105180 | D/9 Drawing number reference only Sloan Valve Company |
| 401032 | 5/9 Secondary reference Sloan Valve Company |
NSN 4820-01-155-0181 is a Valve,tractor Prote, manufactured by Sloan Transportation Products Div of Bld Products Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-155-0181 has 2 manufacturer part numbers on file: 5731944 (Am General Llc), 401032 (Sloan Transportation Products Div of Bld Products Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-426-6630, 2320-01-629-2865. 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.