The Analyzer,back-Up Attitude Headin, cataloged under National Stock Number 4920-00-754-4861, 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 The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-754-4861 |
| Primary Part Number | 53E350023-301 |
| Item Name | Analyzer,back-Up Attitude Headin |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Reference Data and Literature | T.O. 33D2-8-201-1/NA 17-CAH-17,33D2-8-201-4/NA 17-CAH-8 |
| Functional Classification | AA-9.2 |
| Functional Description | USED FOR ORGANIZATIONAL LEVEL MAINTENANCE OF THE ATTITUDE HEADING REFERENCE SYSTEM AN/ASN-55;CONTROL INDICATOR,17.250 IN. LG,14.562 IN. W,9.781 IN. H;REMOTE PROGRAMMER,23.650 IN. LG,20.250 IN. W,18.650 IN. H;TRANSIT CASE,23.650 IN. LG,20.250 IN. W,18.650 IN. H IN |
| Type/model Designation | AN/ASM-200 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LT4020-02-01 | Ge Aviation Systems Llc (USA) |
| 53E350023-301 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 53E350023-1 | 5/1 Secondary reference The Boeing Company Div Defense |
| LT4020 | 5/9 Secondary reference Ge Aviation Systems Llc |
NSN 4920-00-754-4861 is a Analyzer,back-Up Attitude Headin, manufactured by The Boeing Company Div Defense, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-754-4861 has 2 manufacturer part numbers on file: LT4020-02-01 (Ge Aviation Systems Llc), 53E350023-301 (The Boeing Company Div Defense).
Key specifications for 53E350023-301: Reference Data and Literature: T.O. 33D2-8-201-1/NA 17-CAH-17,33D2-8-201-4/NA 17-CAH-8; Functional Classification: AA-9.2; Functional Description: USED FOR ORGANIZATIONAL LEVEL MAINTENANCE OF THE ATTITUDE HEADING REFERENCE SYSTEM AN/ASN-55;CONTROL INDICATOR,17.250 IN. LG,14.562 IN. W,9.781 IN. H;REMOTE PROGRAMMER,23.650 IN. LG,20.250 IN. W,18.650 IN. H;TRANSIT CASE,23.650 IN. LG,20.250 IN. W,18.650 IN. H IN; End Item Identification: RF-4C ACFT AGE.. 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.
NSN 4920-00-754-4861 has DEMIL Code B. 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.