The Comparator Module,signal, cataloged under National Stock Number 5840-01-024-6175, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5840-01-024-6175 |
| Primary Part Number | 138C372H01 |
| Item Name | Comparator Module,signal |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Specification/standard Data | 97942-138C372H01 MANUFACTURERS SOURCE CONTROL |
| Electrical Power Source Relationship | OPERATING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| PC138-30 | Technical Research and Manufacturing, Inc. (USA) |
| PCS-3-30/16592 | Merrimac Industries, Inc (USA) |
| 138C372H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 138C372H01 | 3/9 Design control — primary reference U.S. Government activity |
| 138C372 | D/9 Drawing number reference only U.S. Government activity |
NSN 5840-01-024-6175 is a Comparator Module,signal, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-024-6175 has 3 manufacturer part numbers on file: PC138-30 (Technical Research and Manufacturing, Inc.), PCS-3-30/16592 (Merrimac Industries, Inc), 138C372H01 (Northrop Grumman Support Services Corp).
Key specifications for 138C372H01: Criticality Code Justification: AGAV; Overall Length: 2.050 INCHES MAXIMUM IN; Overall Width: 1.480 INCHES MAXIMUM IN; Specification/standard Data: 97942-138C372H01 MANUFACTURERS SOURCE CONTROL. 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 5840-01-024-6175 has DEMIL Code D. 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.