The Comparator Module,signal, cataloged under National Stock Number 5841-01-310-9451, is classified within Federal Supply Class 5841 (Radar Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Bird Electronic Corporation Div Bird Electronic Corp. The record lists 2 manufacturer part numbers 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 | 5841-01-310-9451 |
| Primary Part Number | 4273-020 |
| Item Name | Comparator Module,signal |
| FSC / FSG | 5841 / 58 — Radar Equipment, Airborne |
| Manufacturer | Bird Electronic Corporation Div Bird Electronic Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5841-01-310-9451 is a Comparator Module,signal, manufactured by Bird Electronic Corporation Div Bird Electronic Corp, classified under FSC 5841, Radar Equipment, Airborne. Status: active.
NSN 5841-01-310-9451 has 2 manufacturer part numbers on file: 4273-020 (Vicom Australia Pty Limited), 4273-020 (Bird Electronic Corporation Div Bird Electronic Corp).
1 possible match (shared part number, not a government interchangeability claim): 3030-01-337-5149. Verify interchangeability with system specifications before substitution.
Key specifications for 4273-020: Special Features: COUPLING PROBE FOR SPECTRUM ANALYSIS; 5000 WATTS MAX; 1.5 TO 35 MHZ; 50 OHMS NOMINAL IMPEDANCE VSWR 1.07 MAX; INSERTION LOSS 0.1 DB MAX; OPERATING TEMPERATURE -40 TO 45 DEG C; 2.797 IN. BY 2.875 IN. BY 1.250 IN. MHz. 0 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.
NSN 5841-01-310-9451 has DEMIL Code D. 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.