The Seat,valve, cataloged under National Stock Number 4820-01-377-2847, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parkburn Precision Handling Systems Ltd Div Parkburn Precision Handling Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-377-2847 |
| Primary Part Number | ND43749 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parkburn Precision Handling Systems Ltd Div Parkburn Precision Handling Systems |
| 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 |
|---|---|
| ND43749 | Parkburn Precision Handling Systems Ltd Div Parkburn Precision Handling Systems (GBR) |
| ND43749 | Hale Hamilton (valves) Ltd Div Cad Uxbridge (GBR) |
| Reference | Meaning |
|---|---|
| NB43610 PL7999 ITEM 12 | 5/9 Secondary reference Hale Hamilton (valves) Ltd Div Cad Uxbridge |
| NB43610 PL7999 ITEM 12 | 3/9 Design control — primary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| NB43610 PL7999 ITEM 12 | 3/2 Design control — primary reference U.S. Government activity |
| ND43749 | 5/9 Secondary reference U.S. Government activity |
| ND43749 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| ND43749 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| NB43610 PL7999 ITEM 12 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-377-2847 is a Seat,valve, manufactured by Parkburn Precision Handling Systems Ltd Div Parkburn Precision Handling Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-377-2847 has 2 manufacturer part numbers on file: ND43749 (Parkburn Precision Handling Systems Ltd Div Parkburn Precision Handling Systems), ND43749 (Hale Hamilton (valves) Ltd Div Cad Uxbridge).
Key specifications for ND43749: End Item Identification: USED ON THREE WAY BALL VALVE.. 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.