# NSN 5955-01-189-1019: Oscillator, Crystal Controlled

NSN 5955-01-189-1019 (also written 5955011891019; NIIN 01-189-1019) is an oscillator, crystal controlled in Federal Supply Class 5955, Oscillators and Piezoelectric Crystals. 11 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5955-01-189-1019 (5955011891019)
- NIIN: 01-189-1019 (011891019)
- Item name: OSCILLATOR,CRYSTAL CONTROLLED
- Federal Supply Class: [FSC 5955 Oscillators and Piezoelectric Crystals](https://nsnexplorer.com/fsc/5955/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC T: handled under qualified products list procedures. (observed 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES MAXIMUM 0.887 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.400 |
| ABMK | OVERALL WIDTH | INCHES MAXIMUM 0.540 |
| AFGA | OPERATING TEMP RANGE | CELSIUS -55.0 TO 125.0 |
| AFJQ | STORAGE TEMP RANGE | CELSIUS -62.0 TO 125.0 |
| AFSU | AVERAGE LIFE MEASUREMENT | NOT RATED |
| AGTA | BASIC SHAPE STYLE | — |
| AKNA | INCLOSURE TYPE | HERMETICALLY SEALED |
| ALBM | OPERATING CONTROL METHOD | AUTOMATIC |
| AMQY | INSTALLATION DESIGN | MODULE |
| AWLS | CONNECTION TYPE | BOTTOM PIN |
| BHSX | CIRCUIT CONSTRUCTION TYPE | SOLID STATE |
| BHTB | FREQUENCY PER CHANNEL | MEGAHERTZ NOMINAL OPERATING CHANNEL 32.0 |
| BJBW | CONNECTION CONTACT TYPE AND QUANTITY | PIN EXTERNAL 14 |
| BKFB | EXTERNAL DC OPERATING VOLTAGE IN VOLTS | MINIMUM SINGLE VOLTAGE 4.5 AND MAXIMUM SINGLE VOLTAGE 5.5 |
| TEST | TEST DATA DOCUMENT | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 81349--IL-O-55310 |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL-O-55310 TO 16 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10133001 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 141A737-2 | 03640 | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4038339-432 | 07187 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 633207-18 | 07690 | BAE SYSTEMS CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 645A793H20 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7189990-00 | 06401 | L3 TECHNOLOGIES, INC. DBA COMMUNICATION SYSTEMS-WEST DIV COMMUNICATION SYSTEMS-WEST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| G204957-2 | 49956 | RAYTHEON COMPANY DIV CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M55310/16-B41A32.000000MHZ | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M55310/16-B41A32M00000 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-O-55310/16 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-PRF-55310/16 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-17 | [SPE7M526P4639](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5955011891019) | OSCILLATOR, CRYSTAL CONTROLLED | ASCHBACHER & ASSOCIATES INC | $2,956.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5955011891019&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5955011891019
- 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.

Canonical page: https://nsnexplorer.com/nsn/5955-01-189-1019/
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