The Stem Sensor, cataloged under National Stock Number 5905-01-675-6553, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-675-6553 |
| Primary Part Number | 2056AS0555-2 |
| Item Name | Stem Sensor |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 2056AS0555-2 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 2056AS0555-2 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2056AS0555 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5905-01-675-6553 is a Stem Sensor, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-675-6553 has 2 manufacturer part numbers on file: 2056AS0555-2 (Northrop Grumman Systems Corporation Div Marine Systems), 2056AS0555-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2056AS0555-2: Criticality Code Justification: AGAV; End Item Identification: CROV POSITION SENSOR. 1 specification is 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 5905-01-675-6553 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.