The Module Set,troubleshooting, cataloged under National Stock Number 4931-01-054-9855, is classified within Federal Supply Class 4931 (Fire Control Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4931-01-054-9855 |
| Primary Part Number | 304005 |
| Item Name | Module Set,troubleshooting |
| FSC / FSG | 4931 / 49 — Fire Control Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Functional Description | THE MODULES ARE USED IN TROUBLESHOOTING AND FAULT ISOLATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 304005 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
NSN 4931-01-054-9855 is a Module Set,troubleshooting, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 4931, Fire Control Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4931-01-054-9855 has 1 manufacturer part number on file: 304005 (Northrop Grumman Corp Electronic Systems Defensive System Div).
Key specifications for 304005: Special Features: THIS SET IS A SINGLE REUSABLE CONTAINER ENCLOSING 23 PLUG IN MODULES; Functional Description: THE MODULES ARE USED IN TROUBLESHOOTING AND FAULT ISOLATION; Part Name Assigned by Controlling Agency: MODULE SET, TROUBLESHOOTING; End Item Identification: LRU-1,2,3 OF THE AN/ASX-1 TISEO. 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 4931-01-054-9855 has DEMIL Code B. 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.