The Generator,x-Band, cataloged under National Stock Number 4920-01-156-0881, 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 Stellant Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-156-0881 |
| Primary Part Number | 40974H |
| Item Name | Generator,x-Band |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Stellant Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CASE ENCLOSED; 12.000 IN. O/A LG; 5.000 IN. O/A W; 4.000 IN. O/A H; MAX CURRENT 1.0 AMP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40974H PRIMARY | Stellant Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 655053 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4920-01-156-0881 is a Generator,x-Band, manufactured by Stellant Systems Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-156-0881 has 1 manufacturer part number on file: 40974H (Stellant Systems Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5977-01-430-4990, 5998-01-606-4394, 4820-01-666-7339. Verify interchangeability with system specifications before substitution.
Key specifications for 40974H: General Characteristics Item Description: CASE ENCLOSED; 12.000 IN. O/A LG; 5.000 IN. O/A W; 4.000 IN. O/A H; MAX CURRENT 1.0 AMP IN; End Item Identification: AIRCRAFT MODEL F-18. 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 4920-01-156-0881 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.