The Bar,top Assembly, cataloged under National Stock Number 1270-01-172-2155, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-172-2155 |
| Primary Part Number | 13079278 |
| Item Name | Bar,top Assembly |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CORROSION RESISTING STEEL TYPE 303,CONDITION A PER ASTM A 582; FINISH,PASSIVATE,TYPE 4 PER QQ-P-35 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 13079278 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 13079278 | 5/9 Secondary reference Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah |
NSN 1270-01-172-2155 is a Bar,top Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-01-172-2155 has 1 manufacturer part number on file: 13079278 (Northrop Grumman Systems Corporation).
Key specifications for 13079278: General Characteristics Item Description: CORROSION RESISTING STEEL TYPE 303,CONDITION A PER ASTM A 582; FINISH,PASSIVATE,TYPE 4 PER QQ-P-35. 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 1270-01-172-2155 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.