The Test Point, cataloged under National Stock Number 4920-01-481-5564, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Stauff Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-481-5564 |
| Primary Part Number | SMK-20-G1/4-V-C-W3 |
| Item Name | Test Point |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Stauff Corp |
| Status | ACTIVE |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| SMK-20-G1/4-V-C-W3 | Stauff Corp (USA) |
| 2KK826 | Oshkosh Defense Llc (USA) |
| 91753177 | Thales Sa (FRA) |
| Reference | Meaning |
|---|---|
| 2KK826 | 5/9 Secondary reference Oshkosh Corp |
| SMK20-G1/4VC | 3/9 Design control — primary reference Stauff Corp |
NSN 4920-01-481-5564 is a Test Point, manufactured by Stauff Corp, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-481-5564 has 3 manufacturer part numbers on file: SMK-20-G1/4-V-C-W3 (Stauff Corp), 2KK826 (Oshkosh Defense Llc), 91753177 (Thales Sa).
Key specifications for SMK-20-G1/4-V-C-W3: Overall Diameter: 0.250 INCHES NOMINAL IN; Overall Length: 37.0 MILLIMETERS NOMINAL MM; Special Features: ENABLES THE PRESSURE READINGS TO BE TAKEN FROM VARIOUS PARTS OF THE HYDRAULIC CIRCUIT; ALL TEST POINTS HAVE AN M16 X 2 CONNECTION THREAD TO MATE WITH ANY STANDARD TEST 20 FEMALE FITTINGAGAVGHYDRAULIC POWER UNIT, STAUFF CORP; Material: STEEL CORROSION RESISTING. 2 specifications are 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.