The Cock,drain, cataloged under National Stock Number 4820-01-503-8151, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Carrier Company, Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-503-8151 |
| Primary Part Number | 346-0313 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Carrier Company, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 346-0313 PRIMARY | Crane Carrier Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 346-134 | D/9 Drawing number reference only Crane Carrier Company, Llc |
| A346-0313 | 5/9 Secondary reference Crane Carrier Company, Llc |
| 346-313 | 5/9 Secondary reference Crane Carrier Company, Llc |
NSN 4820-01-503-8151 is a Cock,drain, manufactured by Crane Carrier Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-503-8151 has 1 manufacturer part number on file: 346-0313 (Crane Carrier Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6640-01-691-7875. Verify interchangeability with system specifications before substitution.
Key specifications for 346-0313: Part Name Assigned by Controlling Agency: VALVE,DRAIN(PULL CHAIN TYPE)W/48"LONG CABLE.; End Item Identification: W/S:TRUCK,TRACTOR (2320-01-452-5579). 0 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.