The Cock,drain, cataloged under National Stock Number 4820-01-228-3507, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Staples & Pfeiffer, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-228-3507 |
| Primary Part Number | 1114 PIECE R 2IN |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Staples & Pfeiffer, Inc. |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 1114 PIECE R 2IN PRIMARY | Staples & Pfeiffer, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1114 | D/9 Drawing number reference only Staples & Pfeiffer, Inc. |
| 1114 REV 7 PIECE R FOR 2IN | 5/9 Secondary reference Staples & Pfeiffer, Inc. |
| 1114 REV 7 PIEC | C/1 Advisory reference — outside the item-of-supply concept Staples & Pfeiffer, Inc. |
NSN 4820-01-228-3507 is a Cock,drain, manufactured by Staples & Pfeiffer, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-228-3507 has 1 manufacturer part number on file: 1114 PIECE R 2IN (Staples & Pfeiffer, Inc.).
Key specifications for 1114 PIECE R 2IN: Flow Control Device: POPPET; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 9 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.