The Network,summation, cataloged under National Stock Number 5915-00-985-3170, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Network,summation |
| FSC / FSG | 5915 — Filters and Networks (FSG 59) |
| Manufacturers | Meggitt (new Hampshire), Inc (CAGE 58880); Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232) |
| Parameter | Value |
|---|---|
| NSN | 5915-00-985-3170 |
| Primary Part Number | 77-274-61REVAE |
| Item Name | Network,summation |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 1440635-61 | Meggitt (new Hampshire), Inc (USA) |
| 77-274-61REVAE PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 1440635-61REVAE | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1440635-61 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 1440635-61 | 5/2 Secondary reference U.S. Government activity |
| 1440635-61 | 5/9 Secondary reference U.S. Government activity |
NSN 5915-00-985-3170 is a Network,summation, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-985-3170 has 2 manufacturer part numbers on file: 1440635-61 (Meggitt (new Hampshire), Inc), 77-274-61REVAE (Lockheed Martin Corporation Div Rms - Mitchel Field).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5915-00-985-3170 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.