The Collar and Stud Assembly, cataloged under National Stock Number 2815-00-147-7791, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 19 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-147-7791 |
| Primary Part Number | 4674ADDCC |
| Item Name | Collar and Stud Assembly |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,3.125 IN. DIA OF COLLAR WITH 1.625-12 UN THD IN CENTER,0.438 IN. THK,TWO STUDS 0.375-24 UNF 2.000 IN. LG 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 |
|---|---|
| 4674ADDCC PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 7ADD8687PC7-8 | 5/9 Secondary reference U.S. Government activity |
| 13ADD201BPC29-30 | 5/9 Secondary reference U.S. Government activity |
| MADG8687BPC7-8 | 5/9 Secondary reference U.S. Government activity |
| 13ADD8687PC7-8 | 5/9 Secondary reference U.S. Government activity |
| 4674ADDCC | 3/9 Design control — primary reference U.S. Government activity |
| MADG201BPC30-31 | 5/9 Secondary reference U.S. Government activity |
| MADD8687APC7-8 | 5/9 Secondary reference U.S. Government activity |
| 15ADD8687PC7-8 | 5/9 Secondary reference U.S. Government activity |
| 15ADD201APC29-30 | 5/9 Secondary reference U.S. Government activity |
| MADD201APC30-31 | 5/9 Secondary reference U.S. Government activity |
| 15ADD201BPC29-30 | 5/9 Secondary reference U.S. Government activity |
| 10ADE201APC29-30 | 5/9 Secondary reference U.S. Government activity |
| 7ADD201BPC29-30 | 5/9 Secondary reference U.S. Government activity |
| 10ADE8687PC7-8 | 5/9 Secondary reference U.S. Government activity |
| 13ADD201APC29-30 | 5/9 Secondary reference U.S. Government activity |
| MADG8687APC7-8 | 5/9 Secondary reference U.S. Government activity |
| ADE4674A | 5/9 Secondary reference U.S. Government activity |
| 7ADD201APC29-30 | 5/9 Secondary reference U.S. Government activity |
| MADG201APC7-8 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-00-147-7791 is a Collar and Stud Assembly, manufactured by Fairbanks Morse, Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-147-7791 has 1 manufacturer part number on file: 4674ADDCC (Fairbanks Morse, Llc).
Key specifications for 4674ADDCC: General Characteristics Item Description: STEEL,3.125 IN. DIA OF COLLAR WITH 1.625-12 UN THD IN CENTER,0.438 IN. THK,TWO STUDS 0.375-24 UNF 2.000 IN. LG IN. 1 specification is 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.