The Lapping Block, cataloged under National Stock Number 4940-00-344-0356, 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 Ashcroft Inc Dba Heise. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Lapping Block |
| FSC / FSG | 4940 — Miscellaneous Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Ashcroft Inc Dba Heise (CAGE 38056) |
| Parameter | Value |
|---|---|
| NSN | 4940-00-344-0356 |
| Primary Part Number | 88750 |
| Item Name | Lapping Block |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 5VLU72SH3PC2 | Ashcroft Inc Dba Heise (USA) |
| 5VJL72PC2 | Ashcroft Inc Dba Heise (USA) |
| 88750 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| S6133SSPC88750 | Ashcroft Inc Dba Heise (USA) |
NSN 4940-00-344-0356 is a Lapping Block, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-00-344-0356 has 4 manufacturer part numbers on file: 5VLU72SH3PC2 (Ashcroft Inc Dba Heise), 5VJL72PC2 (Ashcroft Inc Dba Heise), 88750 (Ashcroft Inc Dba Heise), S6133SSPC88750 (Ashcroft Inc Dba Heise).
3 possible matches (shared part number, not a government interchangeability claim): 5360-01-039-9503, 6110-01-274-4245, 5310-01-588-4228. Verify interchangeability with system specifications before substitution.
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.