The Shaft,shouldered, cataloged under National Stock Number 3040-01-459-6628, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bath Iron Works Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-459-6628 |
| Primary Part Number | 8100-1253-0238 PC 552 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| First End Bearing Seat Diameter | 1.2480 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN |
| First End Bearing Seat Length | 1.891 INCHES NOMINAL IN |
| Second End External Thread Length | 1.313 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 1.2500 INCHES NOMINAL IN |
| Second End Diameter | 1.2500 INCHES NOMINAL IN |
| Largest Step Diameter | 1.496 INCHES MINIMUM AND 1.497 INCHES MAXIMUM IN |
| First End Style | BEARING SEAT |
| First End Distance From Bearing Seat to End | 0.438 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| 8100-1253-0238 PC 552 PRIMARY | Bath Iron Works Corporation (USA) |
| Reference | Meaning |
|---|---|
| 8100-1253-0238 | D/9 Drawing number reference only Bath Iron Works Corporation |
NSN 3040-01-459-6628 is a Shaft,shouldered, manufactured by Bath Iron Works Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-459-6628 has 1 manufacturer part number on file: 8100-1253-0238 PC 552 (Bath Iron Works Corporation).
Key specifications for 8100-1253-0238 PC 552: First End Bearing Seat Diameter: 1.2480 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN; First End Bearing Seat Length: 1.891 INCHES NOMINAL IN; Second End External Thread Length: 1.313 INCHES NOMINAL IN; Step Quantity: 2. 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.