The Adapter,test, cataloged under National Stock Number 4920-01-347-6977, 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 Mandex, Inc. Div Communications and Electronic Systems. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-347-6977 |
| Primary Part Number | 226120400-1001 |
| Item Name | Adapter,test |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Mandex, Inc. Div Communications and Electronic Systems |
| Status | ACTIVE |
| Test Item Connection Method | CONNECTOR |
| Supplementary Features | COMPANY ITEM NAME-TEST PACKAGE, FCC |
| Reference Data and Literature | SERD NO. 8748 (REV B) |
| Functional Description | PROVIDE THE REQUIRED ELECTRICAL AND MECHANICAL INTERFACE BETWEEN THE UNIT UNDER TEST (UUT) AND THE MEMORY MODULE TEST STATION (MMTS). THE (UUT) BEING TESTED ARE 52BAD 1A5 P/N 478920-02-02 AND -02-04 CPU/MEMORY AND THE 52BAE 1A6 P/N 478930-04-02 AND -05-01 1553 MUX RUDDER |
| 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 |
|---|---|
| 226120400-1001 PRIMARY | Mandex, Inc. Div Communications and Electronic Systems (USA) |
| 68D279077-1001 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 226120400-1001 | 5/9 Secondary reference Rjo Enterprises Inc |
| 226120400-1001 | 5/9 Secondary reference Rjo Enterprises Inc |
| 2263-4004-1001 | 5/9 Secondary reference Rjo Enterprises Inc |
NSN 4920-01-347-6977 is a Adapter,test, manufactured by Mandex, Inc. Div Communications and Electronic Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-347-6977 has 2 manufacturer part numbers on file: 226120400-1001 (Mandex, Inc. Div Communications and Electronic Systems), 68D279077-1001 (The Boeing Company Div Defense).
Key specifications for 226120400-1001: Test Item Connection Method: CONNECTOR; Supplementary Features: COMPANY ITEM NAME-TEST PACKAGE, FCC; Reference Data and Literature: SERD NO. 8748 (REV B); Functional Description: PROVIDE THE REQUIRED ELECTRICAL AND MECHANICAL INTERFACE BETWEEN THE UNIT UNDER TEST (UUT) AND THE MEMORY MODULE TEST STATION (MMTS). THE (UUT) BEING TESTED ARE 52BAD 1A5 P/N 478920-02-02 AND -02-04 CPU/MEMORY AND THE 52BAE 1A6 P/N 478930-04-02 AND -05-01 1553 MUX RUDDER. 4 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.