The Plenum,air,aircraft, cataloged under National Stock Number 4920-01-514-5947, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Raytheon Company Div Corp. 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 | 4920-01-514-5947 |
| Primary Part Number | G637697-1 |
| Item Name | Plenum,air,aircraft |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| G637697-1 PRIMARY | Raytheon Company Div Corp (USA) |
NSN 4920-01-514-5947 is a Plenum,air,aircraft, manufactured by Raytheon Company Div Corp, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-514-5947 has 1 manufacturer part number on file: G637697-1 (Raytheon Company Div Corp).
Key specifications for G637697-1: Overall Height: 0.820 INCHES NOMINAL IN; Overall Length: 6.000 INCHES NOMINAL IN; Overall Width: 4.129 INCHES NOMINAL IN; Special Features: MATERIAL IS ALUMINUM ALLOY 6061-T651 INW QQ-A-250/11; SURFACE TREATMENT IS IS AN IRREDESCENT YELLOW CHEMICAL FILM IAW MIL-C-5541, CLASS 3; ITEM HAS 3 HELICAL COIL INSERTS (0.138-32-UNC-2B) ALONG BOTTOM EDGE OF FACE; HAS 2 HELICAL COIL INSERTS (0.164-32UNC-2B) ONE ON EACH SIDE OF A 3.000 INCH DIAMETER HOLE ON FACE OF ITEM; HAS 6 HELICAL COIL INSERTS (0.164-32UNC-2B) 3 EACH ON EITHER SIDE,OUTSIDE EDGE OF ITEM; HAS 11 HELICAL COIL INSERTS (O.112-40UNC-2B) ON UNDERSIDE EDGE AROUND PERIMETER IN. 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.