The Shaft,shouldered, cataloged under National Stock Number 3040-01-137-8733, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-137-8733 |
| Primary Part Number | 11319-D-18 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Second End External Thread Length | 0.750 INCHES NOMINAL IN |
| Step Quantity | 12 |
| First End Diameter | 1.4850 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 2.050 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| First End Keyway Depth | 0.188 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | COPPER ALLOY |
| External Keyway Length | 0.750 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.3750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 55-22208-15 | Euramco Safety Inc (USA) |
| KMC-11319-D-18 | Krobach Mfg. Corp. Dba Krobach Manufacturing Corp (USA) |
| 11319-D-18 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 4X11-AP | Acme Products & Engineering Inc (USA) |
| 4X11S10X2 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| D-4X11S10X2 | 5/9 Secondary reference U.S. Government activity |
| 11319-D-18 | 5/9 Secondary reference U.S. Government activity |
| 4X11S10X2 | 3/9 Design control — primary reference U.S. Government activity |
| 4320PL1579827 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3040-01-137-8733 is a Shaft,shouldered, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-137-8733 has 5 manufacturer part numbers on file: 55-22208-15 (Euramco Safety Inc), KMC-11319-D-18 (Krobach Mfg. Corp. Dba Krobach Manufacturing Corp), 11319-D-18 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 4X11-AP (Acme Products & Engineering Inc), 4X11S10X2 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 11319-D-18: Second End External Thread Length: 0.750 INCHES NOMINAL IN; Step Quantity: 12; First End Diameter: 1.4850 INCHES NOMINAL IN; Second End Diameter: 0.7500 INCHES NOMINAL IN. 12 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.