The Waveguide Assembly, cataloged under National Stock Number 5985-01-588-9972, 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 Northrop Grumman Systems Corporation. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-588-9972 |
| Primary Part Number | 247145 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.04 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 1.500 INCHES NOMINAL IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.164 INCHES SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Specified Frequency | 8.5 GIGAHERTZ MINIMUM AND 10.5 GIGAHERTZ MAXIMUM |
| Insertion Loss in Decibels | 0.06 |
| Thread Class | 2B SECOND FLANGE SINGLE CONNECTION FACILITY |
| Thread Quantity Per Inch | 32 SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 1.223 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 247145 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5985-01-588-9972 is a Waveguide Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-588-9972 has 1 manufacturer part number on file: 247145 (Northrop Grumman Systems Corporation).
Key specifications for 247145: Flange Quantity: 2; Voltage Standing Wave Ratio: 1.04; Style Designator: BEND TYPE; Waveguide Offset Distance: 1.500 INCHES NOMINAL IN. 18 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.
NSN 5985-01-588-9972 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.