The Module Programmer,user Memory, cataloged under National Stock Number 4920-01-381-5847, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-381-5847 |
| Item Name | Module Programmer,user Memory |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Functional Description | USED TO TRANSFER TEST PROGRAMS AND ACFT DATA TO/FROM A USER MEMORY MODULE (UMM) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 92101525 | D/9 Drawing number reference only U.S. Government activity |
| 92101525 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-381-5847 is a Module Programmer,user Memory, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-381-5847: Special Features: O/A DIM: 13.690 IN. H., 13.250 IN. W., 10.038 IN. D.; INPUT POWER REQUIREMENTS: 115V AC; SINGLE PHASE; 50/60 HZ V; Functional Description: USED TO TRANSFER TEST PROGRAMS AND ACFT DATA TO/FROM A USER MEMORY MODULE (UMM); End Item Identification: AN/USM-639; 4920013243591, TEST SET,COUNTERMEASURES SET. 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.
NSN 4920-01-381-5847 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.