The Mask,lighting, cataloged under National Stock Number 6620-01-077-7364, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-077-7364 |
| Primary Part Number | 2275478-0001 |
| Item Name | Mask,lighting |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS: QQ-B-613,CA NO. 260/268,TEMP 1/2 H,0.0055 THRU 0.0065 THICK; 1.887 IN. OVERALL DIA; 3 ARMS EQUALLY SPACED; BLACK OXIDE; FRONT SURFACE AND INSIDE EDGE OF OPENING,AND PARTIAL INSIDE SURFACE AND EDGE OF ARMS PAINTED BLACK; INSIDE PARTIAL SURFACE OF CUP PAINTED WHITE IN |
| 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 |
|---|---|
| 2275478-0001 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
NSN 6620-01-077-7364 is a Mask,lighting, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-077-7364 has 1 manufacturer part number on file: 2275478-0001 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 2275478-0001: General Characteristics Item Description: BRASS: QQ-B-613,CA NO. 260/268,TEMP 1/2 H,0.0055 THRU 0.0065 THICK; 1.887 IN. OVERALL DIA; 3 ARMS EQUALLY SPACED; BLACK OXIDE; FRONT SURFACE AND INSIDE EDGE OF OPENING,AND PARTIAL INSIDE SURFACE AND EDGE OF ARMS PAINTED BLACK; INSIDE PARTIAL SURFACE OF CUP PAINTED WHITE IN; End Item Identification: 6620-01-018-2183. 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.
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.