The Test Station,electrical-Electron, cataloged under National Stock Number 4920-01-199-0492, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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 | 4920-01-199-0492 |
| Primary Part Number | 251810-4 |
| Item Name | Test Station,electrical-Electron |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Functional Description | USED TO LEAK TEST,PURGE,AND FILL INERTIAL NAVIGATION UNIT (P/N 858100-2) PLATFORM ASSY FOLLOWING INSTALLATION OF THE PLATFORM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 251810-4 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 4920-01-199-0492 is a Test Station,electrical-Electron, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-199-0492 has 1 manufacturer part number on file: 251810-4 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 251810-4: Special Features: NAIN: INERTIAL NAVIGATION PLATFORM FILL STATION; MATL: STEEL AND ALUMINUM; SIZE: 40.000 IN. H,24.000 IN. L,24.000 IN W; AUTOMATIC; OPER RQMTS: 115 PORM 7 VRMS,SINGLE PHASE,60 PORM 3 HZ,3AMPS; C/O A ONE-BAY CONSOLE WHICH HOUSES ONE 5O CU FT CAPACITY INDUSTRIAL CYLINDER,VACUUM PUMP, CONTROLS,VALVES,GAGES,AND TIMING DEVICES; MOUNTED ON FOUR CASTERS; INTERCONNECTING TUBING AND HARDWARE SUPPLIED; MAY BE CONNECTED TO AN EXTERNAL SUPPLY OFNITROGEN,ALL CONTROLS,INDICATORS AND CONNECTORS REQWIRING OPERATOR ACCESSABILITY DURING PURGE AND FILL CYCLE ARE FRONT-PANEL MOUNTED. SHUT-OFF VALVE IS LOCATED ON THE CYLINDER. A NITROGEN GAS OUTLET CONNECTOR IS LOCATED ON THE RIGHT SIDE OF THE CONSOLE NEAR TOP. A RUBBER PAD IS BONDED TO THE TOP OF THE CONSOLE FOR SUPPORT OF THE INERTIAL NAVIGATION UNIT IN; Functional Description: USED TO LEAK TEST,PURGE,AND FILL INERTIAL NAVIGATION UNIT (P/N 858100-2) PLATFORM ASSY FOLLOWING INSTALLATION OF THE PLATFORM; End Item Identification: A10-LN-39 STANDARD INERTIAL NAV1GATION UNIT. 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 4920-01-199-0492 has DEMIL Code Q. 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.