The Detector-Envelope,microwave, cataloged under National Stock Number 5865-01-081-4052, is classified within Federal Supply Class 5865 (Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5865-01-081-4052 |
| Item Name | Detector-Envelope,microwave |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | MATL AL ALLOY QQ-A-200 OR QQ-A-250; OPERATING TEMP M54 TO P/15 DEG C; MEAN TIME BETWEEN FAILURE 100000 HR; O/A DIM. 1.30 IN. LG,0.38 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 584R362H01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5865-01-081-4052 is a Detector-Envelope,microwave, classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5895-01-221-1966. Verify interchangeability with system specifications before substitution.
Key specifications for 5865-01-081-4052: General Characteristics Item Description: MATL AL ALLOY QQ-A-200 OR QQ-A-250; OPERATING TEMP M54 TO P/15 DEG C; MEAN TIME BETWEEN FAILURE 100000 HR; O/A DIM. 1.30 IN. LG,0.38 IN. DIA IN; End Item Identification: AN/ALQ-131. 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 5865-01-081-4052 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.