The Cock,plug, cataloged under National Stock Number 4820-01-283-5917, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Atap Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-283-5917 |
| Primary Part Number | N-13553 |
| Item Name | Cock,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Atap Inc |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Thread Series Designator | NPTF 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 |
|---|---|
| N-13553 PRIMARY | Atap Inc (USA) |
| Reference | Meaning |
|---|---|
| BC13008444 | 5/9 Secondary reference Tld Wollard Llc |
| N-13553 | 5/9 Secondary reference Haldex Brake Products Corporation |
| 013584-00A0 | 5/9 Secondary reference Tld Wollard Llc |
NSN 4820-01-283-5917 is a Cock,plug, manufactured by Atap Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-283-5917 has 1 manufacturer part number on file: N-13553 (Atap Inc).
Key specifications for N-13553: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Thread Series Designator: NPTF ALL ENDS. 5 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.