# NSN 5985-01-374-4600: Waveguide Assembly

NSN 5985-01-374-4600 (also written 5985013744600; NIIN 01-374-4600) is a waveguide assembly in Federal Supply Class 5985, Antennas, Waveguides, and Related Equipment. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5985-01-374-4600 (5985013744600)
- NIIN: 01-374-4600 (013744600)
- Item name: WAVEGUIDE ASSEMBLY
- Federal Supply Class: [FSC 5985 Antennas, Waveguides, and Related Equipment](https://nsnexplorer.com/fsc/5985/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | FIRST FLANGE ALL CONNECTION FACILITIES RIGHT-HAND |
| AAJF | THREAD DIRECTION | SECOND FLANGE ALL CONNECTION FACILITIES RIGHT-HAND |
| AHSF | FLANGE QUANTITY | 4 |
| AHSX | FLANGE INSIDE WIDTH | FIRST FLANGE INCHES MINIMUM 0.896 AND INCHES MAXIMUM 0.904 |
| AHSX | FLANGE INSIDE WIDTH | SECOND FLANGE INCHES MINIMUM 0.896 AND INCHES MAXIMUM 0.904 |
| AHSX | FLANGE INSIDE WIDTH | THIRD FLANGE INCHES MINIMUM 0.896 AND INCHES MAXIMUM 0.904 |
| AHSX | FLANGE INSIDE WIDTH | FOURTH FLANGE INCHES MINIMUM 1.118 AND INCHES MAXIMUM 1.126 |
| AHSY | FLANGE INSIDE HEIGHT | FIRST FLANGE INCHES MINIMUM 0.396 AND INCHES MAXIMUM 0.404 |
| AHSY | FLANGE INSIDE HEIGHT | THIRD FLANGE INCHES MINIMUM 0.396 AND INCHES MAXIMUM 0.404 |
| AHSY | FLANGE INSIDE HEIGHT | SECOND FLANGE INCHES MINIMUM 0.396 AND INCHES MAXIMUM 0.404 |
| AHSY | FLANGE INSIDE HEIGHT | FOURTH FLANGE INCHES MINIMUM 0.493 AND INCHES MAXIMUM 0.501 |
| AHSZ | FLANGE OUTSIDE WIDTH | THIRD FLANGE INCHES MINIMUM 1.610 AND INCHES MAXIMUM 1.640 |
| AHSZ | FLANGE OUTSIDE WIDTH | FOURTH FLANGE INCHES MINIMUM 2.480 AND INCHES MAXIMUM 2.520 |
| AHSZ | FLANGE OUTSIDE WIDTH | FIRST FLANGE INCHES MINIMUM 1.610 AND INCHES MAXIMUM 1.640 |
| AHSZ | FLANGE OUTSIDE WIDTH | SECOND FLANGE INCHES MINIMUM 1.610 AND INCHES MAXIMUM 1.640 |
| AHTA | FLANGE OUTSIDE HEIGHT | SECOND FLANGE INCHES MINIMUM 1.610 AND INCHES MAXIMUM 1.640 |
| AHTA | FLANGE OUTSIDE HEIGHT | FOURTH FLANGE INCHES MINIMUM 1.730 AND INCHES MAXIMUM 1.770 |
| AHTA | FLANGE OUTSIDE HEIGHT | FIRST FLANGE INCHES MINIMUM 1.610 AND INCHES MAXIMUM 1.640 |
| AHTA | FLANGE OUTSIDE HEIGHT | THIRD FLANGE INCHES MINIMUM 1.610 AND INCHES MAXIMUM 1.640 |
| AHTD | FLANGE DEPTH | FIRST FLANGE INCHES MINIMUM 0.423 AND INCHES MAXIMUM 0.453 |
| AHTD | FLANGE DEPTH | SECOND FLANGE INCHES MINIMUM 0.423 AND INCHES MAXIMUM 0.453 |
| AHTD | FLANGE DEPTH | FOURTH FLANGE INCHES MINIMUM 0.480 AND INCHES MAXIMUM 0.520 |
| AHTD | FLANGE DEPTH | THIRD FLANGE INCHES MINIMUM 0.423 AND INCHES MAXIMUM 0.453 |
| AHTN | FLANGE CONNECTING HOLE DIAMETER | THIRD FLANGE ALL CONNECTION FACILITIES INCHES MINIMUM 0.169 AND INCHES MAXIMUM 0.172 |
| AHTN | FLANGE CONNECTING HOLE DIAMETER | FOURTH FLANGE ALL CONNECTION FACILITIES INCHES MINIMUM 0.169 AND INCHES MAXIMUM 0.171 |
| CQJX | NOMINAL THREAD SIZE | SECOND FLANGE ALL CONNECTION FACILITIES INCHES 0.164 |
| CQJX | NOMINAL THREAD SIZE | FIRST FLANGE ALL CONNECTION FACILITIES INCHES 0.164 |
| CQQF | OPERATING PRESSURE | POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM 15.0 |
| CSQT | FLANGE CONNECTING FACILITY AND QUANTITY | FIRST FLANGE ALL CONNECTION FACILITIES THREADED HOLE(S) 4 |
| CSQT | FLANGE CONNECTING FACILITY AND QUANTITY | THIRD FLANGE ALL CONNECTION FACILITIES UNTHREADED HOLE(S) 4 |
| CSQT | FLANGE CONNECTING FACILITY AND QUANTITY | FOURTH FLANGE ALL CONNECTION FACILITIES UNTHREADED HOLE(S) 4 |
| CSQT | FLANGE CONNECTING FACILITY AND QUANTITY | SECOND FLANGE ALL CONNECTION FACILITIES THREADED HOLE(S) 4 |
| CTCJ | FLANGE STYLE | — |
| FEAT | SPECIAL FEATURES | ITEM CONSISTS OF 2 WAVEGUIDES,STYLES B2 AND B12; WAVEGUIDES ARE CONNECTED BY A 4.500 IN. DIA MTG FLANGE WITH 5 0.193 IN. DIA HOLES |
| MATT | MATERIAL | ALL TUBING SEGMENT ALUMINUM ALLOY |
| MATT | MATERIAL | ALL FLANGE ALUMINUM ALLOY |
| THSD | THREAD SERIES DESIGNATOR | SECOND FLANGE ALL CONNECTION FACILITIES UNIFIED NATIONAL COARSE (UNC) |
| THSD | THREAD SERIES DESIGNATOR | FIRST FLANGE ALL CONNECTION FACILITIES UNIFIED NATIONAL COARSE (UNC) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1522924-1 | 02769 | LOCKHEED MARTIN CORPORATION DIV RMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1522924-1 | 56232 | LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5946169-1 | 0RMF7 | BRIGHT LIGHTS USA, INC DBA BLUSA DEFENSE MANUFACTURING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5946169-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-16 | $14,954.25 | 1 | DIRECT LINE, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5985013744600) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-16 | [SPE7M127P0593](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5985013744600) | WAVEGUIDE ASSEMBLY | DIRECT LINE, INC | $14,954.25 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5985013744600&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5985013744600
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

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