The Plate,light Mask, cataloged under National Stock Number 1270-01-027-0077, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Rockwell Collins, Inc. Dba Rc Displays Systems. Government technical data includes 2 specifications, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-027-0077 |
| Primary Part Number | 34630-1 |
| Item Name | Plate,light Mask |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | Rockwell Collins, Inc. Dba Rc Displays Systems |
| Status | ACTIVE |
| FSC Application Data | PROJECTION UNIT,HUD |
| General Characteristics Item Description | BERYLLIUM COPPER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 34630-1 PRIMARY | Rockwell Collins, Inc. Dba Rc Displays Systems (USA) |
NSN 1270-01-027-0077 is a Plate,light Mask, manufactured by Rockwell Collins, Inc. Dba Rc Displays Systems, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-01-027-0077 has 1 manufacturer part number on file: 34630-1 (Rockwell Collins, Inc. Dba Rc Displays Systems).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-538-0008. Verify interchangeability with system specifications before substitution.
Key specifications for 34630-1: FSC Application Data: PROJECTION UNIT,HUD; General Characteristics Item Description: BERYLLIUM COPPER. 2 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.
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.