The Worm Shaft, cataloged under National Stock Number 3040-00-819-2999, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-819-2999 |
| Primary Part Number | 526489-2 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| FSC Application Data | SCOOP,RAM AIR,P/N 240246,B52 |
| Teeth Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Worm Body Length | 1.590 INCHES NOMINAL IN |
| Worm Thread Lead | 0.612 INCHES NOMINAL IN |
| Thread Length | 0.190 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE |
| Worm Pitch Diameter | 0.555 INCHES NOMINAL IN |
| Worm Outside Diameter | 0.674 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.374 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 0.375 INCHES NOMINAL SECOND END FIRST PORTION IN |
| End Similarity | NOT IDENTICAL |
| Shaft Hardness Rating | N SCALE 15 LOCATION NOT OTHERWISE SPECIFIED |
| Screw Thread Series Designator | UNF FIRST END SECOND PORTION |
| Surface Treatment | OXIDE |
| Worm Thread Section Length | 1.050 INCHES NOMINAL IN |
| Shaft Thread Direction | RIGHT-HAND FIRST END SECOND PORTION |
| Worm Helix Angle | 19 DEG 19 MIN |
| Material | STEEL COMP E9310 |
| Worm Thread Quantity | 3 |
| Worm Thread Direction | RIGHT-HAND |
| Threaded Section Pin Hole Diameter | 0.079 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Worm Pressure Angle in Deg | 20.000 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.416 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Length | 1.000 INCHES NOMINAL SECOND END FIRST PORTION 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 |
|---|---|
| 526489-2 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 526489-2 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 3040-00-819-2999 is a Worm Shaft, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-819-2999 has 1 manufacturer part number on file: 526489-2 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 526489-2: Shaft Location: BOTH ENDS OF WORM; FSC Application Data: SCOOP,RAM AIR,P/N 240246,B52; Teeth Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM; Worm Body Length: 1.590 INCHES NOMINAL IN. 26 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.