The Controller,test,guided Missile S, cataloged under National Stock Number 4935-01-353-0925, is classified within Federal Supply Class 4935 (Guided Missile Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4935-01-353-0925 |
| Primary Part Number | YG9638A1 |
| Item Name | Controller,test,guided Missile S |
| FSC / FSG | 4935 / 49 — Guided Missile Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Unpackaged Unit Length | 15.000 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Reference Data and Literature | TO 21M-LGM30F-4-1 & -4-2-1 |
| Unpackaged Unit Width | 15.000 INCHES NOMINAL IN |
| Unpackaged Unit Height | 10.000 INCHES NOMINAL IN |
| Functional Description | PORTABLE ONE-PERSON CARRY THAT PROVIDES MAINTENANCE PERSONNEL AT THE LAUNCH FACILITY THE ABILITY TO COMMUNICATE WITH THE MISSILE GUIDANCE SET AND GROUND EQUIPMENT. ABLE TO ACQUIRE AND RELINQUISH LOCAL CONTROL OF THE LANUCH FACILITY, COMMAND LOADING OF VARIOUS PROGRAMS INTO THE DIGITAL COMPUTER UNIT IN CONJUNCTION WITH THE CARTRIDGE TAPE UNIT, INTERROGATE THE DCU AND DISPLAY THE REQUESTED INFORMATION, AND CONTROL, MONITOR AND DISPLAY ACCESSIBLE LF STATUSES AND MGS MODES OF OPERATION. BUILT IN TEST FOR DISPLAT TEST, SELF TEST AND FAULT ISOLATION TEST |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| YG9638A1 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| TTU-531/E | 5/1 Secondary reference U.S. Government activity |
NSN 4935-01-353-0925 is a Controller,test,guided Missile S, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 4935, Guided Missile Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4935-01-353-0925 has 1 manufacturer part number on file: YG9638A1 (Honeywell International Inc. Dba Honeywell International).
Key specifications for YG9638A1: Unpackaged Unit Length: 15.000 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Reference Data and Literature: TO 21M-LGM30F-4-1 & -4-2-1; Unpackaged Unit Width: 15.000 INCHES NOMINAL IN. 6 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 4935-01-353-0925 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.