The Blast Cleaning Cabinet, cataloged under National Stock Number 4940-00-554-0998, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Macleod Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-00-554-0998 |
| Primary Part Number | 618B |
| Item Name | Blast Cleaning Cabinet |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Macleod Inc |
| Status | ACTIVE |
| Blasting Stream Control Type | MANUAL |
| Casting Overall Dimension Accommodated | 24 IN. HEIGHT,48 IN. LENGTH,24 IN. WIDTH IN |
| Nozzle Size | 0.125 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Operating Pressure and Type | 20.000 POUNDS AIR MINIMUM REQUIRED LBS |
| Accessory Components and Quantity | DUST ARRESTER,BAG 1 |
| Blast Material Feed Method | SUCTION |
| Nozzle Quantity | 1 |
| Material | TUNGSTEN NOZZLE |
| 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 |
|---|---|
| 618B PRIMARY | Macleod Inc (USA) |
| Reference | Meaning |
|---|---|
| EA4 | 5/9 Secondary reference Pangborn Llc |
| 3-48 | 5/9 Secondary reference Sly W W Mfg Co the |
NSN 4940-00-554-0998 is a Blast Cleaning Cabinet, manufactured by Macleod Inc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-00-554-0998 has 1 manufacturer part number on file: 618B (Macleod Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5910-00-668-4237, 6625-00-816-3079, 6230-01-388-5324. Verify interchangeability with system specifications before substitution.
Key specifications for 618B: Blasting Stream Control Type: MANUAL; Overall Height: 34.000 INCHES NOMINAL IN; Casting Overall Dimension Accommodated: 24 IN. HEIGHT,48 IN. LENGTH,24 IN. WIDTH IN; Nozzle Size: 0.125 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. 8 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.