# NSN 1650-00-756-4991: Head, Fluid Filter

NSN 1650-00-756-4991 (also written 1650007564991; NIIN 00-756-4991) is a head, fluid filter in Federal Supply Class 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 1650-00-756-4991 (1650007564991)
- NIIN: 00-756-4991 (007564991)
- Item name: HEAD,FLUID FILTER
- Federal Supply Class: [FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components](https://nsnexplorer.com/fsc/1650/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ARNX | INLET THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CSJD | OUTLET NOMINAL THREAD SIZE | INCHES 0.562 |
| AXGY | MOUNTING METHOD | BOWL THREAD |
| CDXZ | BOWL MOUNTING HOLE DIAMETER | INCHES MINIMUM 0.855 AND INCHES MAXIMUM 0.865 |
| ARTX | OUTLET THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| BZSW | OUTLET THREAD QUANTITY PER INCH | 18 |
| CDXM | INLET PORT TYPE | THREADED FEMALE, PLAIN |
| CDXQ | OUTLET PORT TYPE | THREADED FEMALE, PLAIN |
| CDXR | OUTLET THREAD CLASS | 3B |
| NMBR | QUANTITY | 3 |
| CBBL | FEATURES PROVIDED | MOUNTING BOLT HOLE(S) |
| AAJF | THREAD DIRECTION | INLET RIGHT-HAND |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.195 AND INCHES MAXIMUM 0.205 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 2.000 |
| ABKG | BOLT CIRCLE DIAMETER | INCHES MINIMUM 1.495 AND INCHES MAXIMUM 1.505 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 1.526 AND INCHES MAXIMUM 1.543 |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 1.125 |
| ACRW | INLET THREAD CLASS | 3B |
| ALBY | USAGE DESIGN | ONE SEDIMENT BOWL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD SINGLE MATERIAL RESPONSE FED STD 66 OR ASSN STD SINGLE MATERIAL RESPONSE AISI 303 OR ASSN STD SINGLE MATERIAL RESPONSE SAE 30303 |
| MATT | MATERIAL | STEEL COMP 303 |
| ZZZV | FSC APPLICATION DATA | AIRCRAFT HYDRAULIC FILTER |
| ARTY | OUTLET THREAD DIRECTION | RIGHT-HAND |
| CRHS | INLET NOMINAL THREAD SIZE | INCHES 0.562 |
| CRJG | INLET THREAD QUANTITY PER INCH | 18 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AC1768-61D1 | 18350 | PALL AEROPOWER CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AC176861D1 | 60047 | PALL AEROPOWER CORP SUB OF PALL CORP MECTRON INDUSTRIES DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAC176861D1 | 18350 | PALL AEROPOWER CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAC176861D1 | 60047 | PALL AEROPOWER CORP SUB OF PALL CORP MECTRON INDUSTRIES DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1650007564991&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1650007564991
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/1650-00-756-4991/
JSON: https://nsnexplorer.com/api/nsn/1650-00-756-4991.json