The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-073-7101, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Marvin Engineering Co, Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-073-7101 |
| Primary Part Number | 3440559 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Marvin Engineering Co, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Length | 0.565 INCHES NOMINAL IN |
| First Hole Diameter | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN |
| Shank Length | 1.312 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Shoulder Diameter | 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Distance From Centerline of Hole to End of Pin | 0.156 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 |
| Part Number | Manufacturer |
|---|---|
| 3440559 PRIMARY | Marvin Engineering Co, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3440559 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5315-01-073-7101 is a Pin,shoulder,headless, manufactured by Marvin Engineering Co, Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-073-7101 has 1 manufacturer part number on file: 3440559 (Marvin Engineering Co, Inc).
Key specifications for 3440559: Shank Diameter: 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Thread Length: 0.565 INCHES NOMINAL IN; First Hole Diameter: 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN; Shank Length: 1.312 INCHES NOMINAL IN. 9 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.