The Plate,mounting,rear, cataloged under National Stock Number 6620-01-078-3159, 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 | 6620-01-078-3159 |
| Primary Part Number | 2275479-0001 |
| Item Name | Plate,mounting,rear |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM SHEET QQ-A-25014 TEMP T:3; 1.796 THRU 1.798 IN. OVERALL DIA; 1.230 THRU 1.290 IN. OVERALL W; SLOT ONPERIMETER,0.156 IN. ACROSS; CENTER HOLE,0.175 THRU 0.180 IN. DIA THRU; TWO HOLES EQUALLY SPACED,0.187 IN. DIA THRU ON A 1.253 THRU 1.259 IN. SURFACE DIA; THREE HOLES EQUALLY SPACED,0.101 THRU 0.104 IN. DIA THRU ON A 1.627 THRU 1.633 IN. SURFACE DIAS HOLE THREADED THRU ON A 1.062 IN. SURFACE DIA; CHEMICAL FILM APPLIED PER MIL-C-5541 CLASS 1A (MPS 29) A |
| 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 |
|---|---|
| 2275479-0001 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
NSN 6620-01-078-3159 is a Plate,mounting,rear, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-078-3159 has 1 manufacturer part number on file: 2275479-0001 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 2275479-0001: General Characteristics Item Description: ALUMINUM SHEET QQ-A-25014 TEMP T:3; 1.796 THRU 1.798 IN. OVERALL DIA; 1.230 THRU 1.290 IN. OVERALL W; SLOT ONPERIMETER,0.156 IN. ACROSS; CENTER HOLE,0.175 THRU 0.180 IN. DIA THRU; TWO HOLES EQUALLY SPACED,0.187 IN. DIA THRU ON A 1.253 THRU 1.259 IN. SURFACE DIA; THREE HOLES EQUALLY SPACED,0.101 THRU 0.104 IN. DIA THRU ON A 1.627 THRU 1.633 IN. SURFACE DIAS HOLE THREADED THRU ON A 1.062 IN. SURFACE DIA; CHEMICAL FILM APPLIED PER MIL-C-5541 CLASS 1A (MPS 29) A; 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.