The Fixture Assembly,test,interface, cataloged under National Stock Number 4920-01-520-3447, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-520-3447 |
| Primary Part Number | 16U90A53-801 |
| Item Name | Fixture Assembly,test,interface |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| Status | ACTIVE |
| Supplementary Features | INTERFACE UNIT - PROVIDES SWITCHING CAPABILITIES AND COMMON INTERFACE FOR ETHERNET DATA, CPU - INTEL BASED UNIT TESTING FIBRE CHANNEL, ETHERNET, RADAR CONTROL INTERFACE AND INPHASE AND QUADRATURE FOR LRU'S, STORAGE UNIT FOR TESTING ACCESSORIES AND SOFTWARE |
| Reference Data and Literature | SERD90A53 |
| Functional Description | PROVIDES INTERFACE BETWEEN F-16 LRUS AND R-IAIS TEST SET |
| 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 |
|---|---|
| 16U90A53-801 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 16U90A53-1 | 5/9 Secondary reference U.S. Government activity |
| 4920PL0801525 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-520-3447 is a Fixture Assembly,test,interface, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-520-3447 has 1 manufacturer part number on file: 16U90A53-801 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems).
Key specifications for 16U90A53-801: Supplementary Features: INTERFACE UNIT - PROVIDES SWITCHING CAPABILITIES AND COMMON INTERFACE FOR ETHERNET DATA, CPU - INTEL BASED UNIT TESTING FIBRE CHANNEL, ETHERNET, RADAR CONTROL INTERFACE AND INPHASE AND QUADRATURE FOR LRU'S, STORAGE UNIT FOR TESTING ACCESSORIES AND SOFTWARE; Reference Data and Literature: SERD90A53; Special Features: MFG REQUESTED NAME - HIGH SPEED DATA TEST SET, C/O INTERFACE UNIT, CPU, STORAGE UNIT, AND MOBILE PLATFORM UNIT, HEIGHT -20IN, WIDTH 23IN, LENGTH 33IN, ASSOCIATED EQUIPMENT- R-IAIS TEST STATION, MODULAR RECIEVER EXCITER, COMMON RADAR PROCESSOR, ISRAELI COLOR DISPLAY PROCESSOR, DATA TRANSFER CARTRIDGE, AND THE DATA TRANSFER CARTRIDGE RECEPTACLE IN; Functional Description: PROVIDES INTERFACE BETWEEN F-16 LRUS AND R-IAIS TEST SET. 3 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.
NSN 4920-01-520-3447 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.