The Parts Kit,cleaner, cataloged under National Stock Number 4940-00-137-2901, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-00-137-2901 |
| Primary Part Number | K81000-503 |
| Item Name | Parts Kit,cleaner |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc |
| Status | ACTIVE |
| General Characteristics Item Description | C/O FILTER ELEMENT 2,SEAL FILTER 1; LOWER SHAFT ORING VITON 1; UPPER SHAFT ORING VITON 1; SHELL GASKET VITON 2; O LUBE-BARIUM 1 MUST BE PROCURED BY NOMENCLATURE FROM PARKER STEAL CO,NO P/N ASSIGNED; GOES ON ULTRASONIC FILTER CLEANER FOR AIRCRAFT,NSN: 4940-00-159-8889 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K81000-503 PRIMARY | Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc (USA) |
| Reference | Meaning |
|---|---|
| CCCA | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4940-00-137-2901 is a Parts Kit,cleaner, manufactured by Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-00-137-2901 has 1 manufacturer part number on file: K81000-503 (Caldraul Johnson, Inc Dba Cal-Draulics, Inc. Div Cal-Draulics Inc).
Key specifications for K81000-503: General Characteristics Item Description: C/O FILTER ELEMENT 2,SEAL FILTER 1; LOWER SHAFT ORING VITON 1; UPPER SHAFT ORING VITON 1; SHELL GASKET VITON 2; O LUBE-BARIUM 1 MUST BE PROCURED BY NOMENCLATURE FROM PARKER STEAL CO,NO P/N ASSIGNED; GOES ON ULTRASONIC FILTER CLEANER FOR AIRCRAFT,NSN: 4940-00-159-8889. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.