The Pin,eccentric, cataloged under National Stock Number 5315-01-218-3441, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-218-3441 |
| Primary Part Number | 74D111091-2039 |
| Item Name | Pin,eccentric |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Offset Distance Between Geometric Center of Head and Centerline of Shank/shoulder | 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN |
| First Step Diameter | 0.375 INCHES NOMINAL IN |
| Hole Arrangement Style | ONE END DRILLED |
| First Hole Diameter | 0.063 INCHES NOMINAL IN |
| Style Designator | ECCENTRIC |
| Material Document and Classification | QQ-C-530 COND H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second Step Diameter | 0.250 INCHES NOMINAL IN |
| Width Between Flats | 0.125 INCHES NOMINAL IN |
| Internal Drive Style | SOCKET |
| Material | COPPER ALLOY 172 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.043 INCHES MINIMUM AND 0.073 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 |
|---|---|
| 74D111091-2039 | Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co (USA) |
| 74D111091-2039 PRIMARY | The Boeing Company Div Defense (USA) |
| 74D111091-2039 | Carden Machine Shop, Inc. (USA) |
| 74D111091-2039 | Bob Cat Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 74D111091-2039 | 5/9 Secondary reference Br Machine Parts Inc |
NSN 5315-01-218-3441 is a Pin,eccentric, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-218-3441 has 4 manufacturer part numbers on file: 74D111091-2039 (Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co), 74D111091-2039 (The Boeing Company Div Defense), 74D111091-2039 (Carden Machine Shop, Inc.), 74D111091-2039 (Bob Cat Manufacturing).
Key specifications for 74D111091-2039: Offset Distance Between Geometric Center of Head and Centerline of Shank/shoulder: 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN; First Step Diameter: 0.375 INCHES NOMINAL IN; Hole Arrangement Style: ONE END DRILLED; First Hole Diameter: 0.063 INCHES NOMINAL IN. 11 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.