The Adapter,waveguide, cataloged under National Stock Number 5985-00-773-0148, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 7 specifications, 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 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 | 5985-00-773-0148 |
| Primary Part Number | 9181521 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| FSC Application Data | RADAR SET GUIDED MISSILE SYSTEM |
| Flange Quantity | 1 |
| Bend Angle in Deg | 90.0 SINGLE BEND H-PLANE |
| Thread Direction | RIGHT-HAND SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.164 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9181521 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5985-00-773-0148 is a Adapter,waveguide, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-773-0148 has 1 manufacturer part number on file: 9181521 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 8415-01-299-0210. Verify interchangeability with system specifications before substitution.
Key specifications for 9181521: FSC Application Data: RADAR SET GUIDED MISSILE SYSTEM; Flange Quantity: 1; Bend Angle in Deg: 90.0 SINGLE BEND H-PLANE; Thread Direction: RIGHT-HAND SINGLE FLANGE SINGLE CONNECTION FACILITY. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.