The Block,mtg, cataloged under National Stock Number 5841-01-099-4291, is classified within Federal Supply Class 5841 (Radar Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Astronautics Corporation of America. 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 | 5841-01-099-4291 |
| Primary Part Number | 129139 |
| Item Name | Block,mtg |
| FSC / FSG | 5841 / 58 — Radar Equipment, Airborne |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| General Characteristics Item Description | 2.350 IN. LG; 0.190 IN. WIDE; 0.250 IN. HIGH; 2 HOLES 6-32 UNC-2B THRU SIDE; 2-56 UNC-2B 2 HOLES THRU TOP; AL ALY 2024-T3 QQ-A-250/4; 2.100 IN. CENTER TO CENTER DISTANCE BETWEEN HOLES ON SIDE; 1.800 IN. C TO C DISTANCE BETWEEN HOLES THRU TOP 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 |
|---|---|
| 129139 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5841-01-099-4291 is a Block,mtg, manufactured by Astronautics Corporation of America, classified under FSC 5841, Radar Equipment, Airborne. Status: active.
NSN 5841-01-099-4291 has 1 manufacturer part number on file: 129139 (Astronautics Corporation of America).
Key specifications for 129139: General Characteristics Item Description: 2.350 IN. LG; 0.190 IN. WIDE; 0.250 IN. HIGH; 2 HOLES 6-32 UNC-2B THRU SIDE; 2-56 UNC-2B 2 HOLES THRU TOP; AL ALY 2024-T3 QQ-A-250/4; 2.100 IN. CENTER TO CENTER DISTANCE BETWEEN HOLES ON SIDE; 1.800 IN. C TO C DISTANCE BETWEEN HOLES THRU TOP 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.
NSN 5841-01-099-4291 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.