The Lock,feed and Hatch, cataloged under National Stock Number 4540-01-189-0912, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4540-01-189-0912 |
| Primary Part Number | P1005052PC142 |
| Item Name | Lock,feed and Hatch |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| General Characteristics Item Description | 5.000 IN. LONG; FABRICATED STEEL IN |
| 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 |
|---|---|
| P1005052PC142 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| P1005052PC142 | 5/9 Secondary reference Tuthill Corporation Div Coppus Portable Ventilation Division |
| P1005052PC142 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| P1005052 | D/9 Drawing number reference only Tuthill Corporation Div Coppus Portable Ventilation Division |
| P1005052PC142 | 3/9 Design control — primary reference Golar Metal Inc |
NSN 4540-01-189-0912 is a Lock,feed and Hatch, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 4540, Waste Disposal Equipment. Status: active.
NSN 4540-01-189-0912 has 1 manufacturer part number on file: P1005052PC142 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for P1005052PC142: General Characteristics Item Description: 5.000 IN. LONG; FABRICATED STEEL IN; End Item Identification: GOLAR INCINERATOR MODEL SK25M3. 1 specification is 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.