The Collar,shaft, cataloged under National Stock Number 3040-00-927-4827, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Astronautics Corporation of America. Government technical data includes 14 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. 2 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 | 3040-00-927-4827 |
| Primary Part Number | 103491 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Largest Diameter Length | 0.150 INCHES NOMINAL IN |
| Style Designator | ROUND STEPPED |
| Material Document and Classification | QQ-S-764, TYPE 303-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-764, TYPE 303SE-CANCELED FED SPEC 2ND MATERIAL RESPONSE |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.430 INCHES NOMINAL IN |
| Nominal Thread Size | 0.086 INCHES SINGLE HOLE IN |
| Angle Between Centerlines of Securing Holes in Deg | 120.0 |
| Small End Diameter | 0.250 INCHES NOMINAL IN |
| Securing Hole Quantity | 2 |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.1880 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OR STEEL COMP 303SE |
| Thickness | 0.168 INCHES MINIMUM AND 0.171 INCHES MAXIMUM 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 |
|---|---|
| 103491 PRIMARY | Astronautics Corporation of America (USA) |
NSN 3040-00-927-4827 is a Collar,shaft, manufactured by Astronautics Corporation of America, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-927-4827 has 1 manufacturer part number on file: 103491 (Astronautics Corporation of America).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-072-2447, 6685-01-392-6072. Verify interchangeability with system specifications before substitution.
Key specifications for 103491: Securing Hole Type and Location: THREADED SINGLE HOLE; Largest Diameter Length: 0.150 INCHES NOMINAL IN; Style Designator: ROUND STEPPED; Material Document and Classification: QQ-S-764, TYPE 303-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-764, TYPE 303SE-CANCELED FED SPEC 2ND 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.