The Test Set,altimeter, cataloged under National Stock Number 4920-01-127-4675, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-127-4675 |
| Primary Part Number | 522-4610-004 |
| Item Name | Test Set,altimeter |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| General Characteristics Item Description | C/O CONNECTOR 2,TERMINAL BOARD 3,LAMPHOLDER 1,SPACER 5,LIGHT REFLECTOR 1,LAMP 6,SOCKET 1,LAMP ASSEMBLY 1,RESISTOR 5,RETAINER 1,TERMINAL 1,COUNTING DIAL 1,AMMETER 1,LENS 10,TOGGLE SWITCH2,COVER PANEL 1,CASE 2,COVER ASSEMBLY 1 |
| Reference Data and Literature | T.O.33D3-39-11-1/-4 |
| 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 |
|---|---|
| 522-4610-004 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 4920-01-127-4675 is a Test Set,altimeter, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-127-4675 has 1 manufacturer part number on file: 522-4610-004 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 522-4610-004: General Characteristics Item Description: C/O CONNECTOR 2,TERMINAL BOARD 3,LAMPHOLDER 1,SPACER 5,LIGHT REFLECTOR 1,LAMP 6,SOCKET 1,LAMP ASSEMBLY 1,RESISTOR 5,RETAINER 1,TERMINAL 1,COUNTING DIAL 1,AMMETER 1,LENS 10,TOGGLE SWITCH2,COVER PANEL 1,CASE 2,COVER ASSEMBLY 1; Reference Data and Literature: T.O.33D3-39-11-1/-4; Part Name Assigned by Controlling Agency: ALTIMETER TEST SET; End Item Identification: KC-135 ACFT AGE.. 2 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 4920-01-127-4675 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.