The Shaft Assembly,flexible, cataloged under National Stock Number 3040-00-554-6810, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is S.s. White Technologies, Inc.. Government technical data includes 28 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-554-6810 |
| Primary Part Number | LA1533E81 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | S.s. White Technologies, Inc. |
| Status | ACTIVE |
| FSC Application Data | RADIO SET,RADIO NAVIGATIONAL EQUIPMENT,AIRBORNE |
| Spline Type | INVOLUTE BOTH ENDS |
| Cross Section Size and Location | 0.406 INCHES NOMINAL DIAMETER BOTH ENDS IN |
| Casing Protective Device Type | RUBBER COVER |
| End Overall Diameter | 0.750 INCHES NOMINAL BOTH ENDS IN |
| End Connection Type | THREADED INTERNAL BOTH ENDS |
| Spline Length | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Thread Depth | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Pitch Diameter | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Spline Major Diameter | 0.406 INCHES NOMINAL BOTH ENDS IN |
| Thread Location | INTERNAL BOTH ENDS |
| Core Diameter | 0.150 INCHES NOMINAL IN |
| Torsional Deflection Rating | 6 DEG FT-LB IN WINDING,6 DEG FT-LB IN UNWINDING |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Spline Pressure Angle in Deg | 14.5 BOTH ENDS |
| Spline Quantity | 12 BOTH ENDS |
| Casing Length Between Ferrules | 78.813 INCHES NOMINAL IN |
| Core Rotation Direction | COUNTERCLOCKWISE |
| Nondefinitive Spec/std Data | 2 CLASS |
| Core Removability | NONREMOVABLE |
| Core Overall Length | 80.000 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNS BOTH ENDS |
| Surface Treatment | ZINC CASING |
| Wrenching Facility Outside Diameter | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Thread Class | 2A BOTH ENDS A |
| Minor Diameter | UNABLE TO DECODE |
| Wrenching Facility Type | KNURLED SURFACE BOTH ENDS |
| Material | STEEL CORE |
| 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 |
|---|---|
| LA1533E81 PRIMARY | S.s. White Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| LA1533E81 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-554-6810 is a Shaft Assembly,flexible, manufactured by S.s. White Technologies, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-554-6810 has 1 manufacturer part number on file: LA1533E81 (S.s. White Technologies, Inc.).
Key specifications for LA1533E81: FSC Application Data: RADIO SET,RADIO NAVIGATIONAL EQUIPMENT,AIRBORNE; Spline Type: INVOLUTE BOTH ENDS; Cross Section Size and Location: 0.406 INCHES NOMINAL DIAMETER BOTH ENDS IN; Casing Protective Device Type: RUBBER COVER. 28 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.