The Cock,drain, cataloged under National Stock Number 4820-01-474-6910, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Racor Division Div Racor Division. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-474-6910 |
| Primary Part Number | RK 30476 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Racor Division Div Racor Division |
| Status | ACTIVE |
| Special Test Features | FILTER HOUSING SERIES: 500FG (2002 TO PRESENT), 900/1000FH; PRODUCT SERIES: TURBINE HOUSING PARTS; COMPONENT TYPE: BOWL AND DRAIN; INCLUDES SELF-VENTING DRAING KIT; APPLICATION: REQUIRES BOWL REMOVAL TO SERVICE; KIT TYPE: DRAIN KIT |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| RK 30476 PRIMARY | Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA) |
| Reference | Meaning |
|---|---|
| RK30476 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Racor Div Div Racor Division, Hydrocarbon Filtration |
| 5HA180 | 5/9 Secondary reference Oshkosh Corp |
| 30476 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Racor Division Div Racor Division |
| 5HA180 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| RK30476 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
NSN 4820-01-474-6910 is a Cock,drain, manufactured by Parker-Hannifin Corporation Dba Racor Division Div Racor Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-474-6910 has 1 manufacturer part number on file: RK 30476 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-539-5229. Verify interchangeability with system specifications before substitution.
Key specifications for RK 30476: Special Test Features: FILTER HOUSING SERIES: 500FG (2002 TO PRESENT), 900/1000FH; PRODUCT SERIES: TURBINE HOUSING PARTS; COMPONENT TYPE: BOWL AND DRAIN; INCLUDES SELF-VENTING DRAING KIT; APPLICATION: REQUIRES BOWL REMOVAL TO SERVICE; KIT TYPE: DRAIN KIT; Criticality Code Justification: FEAT; Special Features: SELF VENTING FEATURE HOSE BARBS TO RETAIN A 5/16 IN. I.D. HOSE WHICH IS USEFUL IN DIRECTING DRAINED CONTAIMINANTS AWAY FROM OTHER COMPONENTS AND/OR INTO A CONTAINER; WEAPON SYSTEM ESSENTIAL IN; Part Name Assigned by Controlling Agency: VALVE, SELF-VENT DRAIN. 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.