The Collar,shaft, cataloged under National Stock Number 3040-00-684-1444, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-684-1444 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Largest Diameter Length | 0.120 INCHES NOMINAL IN |
| Style Designator | ROUND W/DOUBLE CHAMFER |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.187 INCHES NOMINAL IN |
| Nominal Thread Size | 0.086 INCHES SINGLE HOLE IN |
| Angle Between Centerlines of Securing Holes in Deg | 135.0 |
| Securing Hole Quantity | 2 |
| Surface Treatment | PASSIVATE |
| Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.0430 INCHES NOMINAL IN |
| Material | STEEL COMP 202 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 322 OR STEEL COMP 324 OR STEEL COMP 347 OR STEEL COMP 633 OR STEEL COMP 634 OR STEEL COMP 403 OR STEEL COMP 405 OR STEEL COMP 410 OR STEEL COMP 414 OR STEEL COMP 416 OR STEEL COMP 416SE OR STEEL COMP 420 OR STEEL COMP 430 OR STEEL COMP 430F OR STEEL COMP 430FSE OR STEEL COMP 431 OR STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OR STEEL COMP 440F OR STEEL COMP 440FSE OR STEEL COMP 446 A |
| Thickness | 0.140 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 |
| Reference | Meaning |
|---|---|
| 91106 | 5/9 Secondary reference U.S. Government activity |
| 91106 | 3/9 Design control — primary reference Moog Inc. Dba Moog Components Group |
NSN 3040-00-684-1444 is a Collar,shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 5325-00-840-7158, 4920-01-299-5177, 5365-01-314-6915. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-684-1444: Securing Hole Type and Location: THREADED SINGLE HOLE; Largest Diameter Length: 0.120 INCHES NOMINAL IN; Style Designator: ROUND W/DOUBLE CHAMFER; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE. 14 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.