The Pin,straight,headed, cataloged under National Stock Number 5315-01-440-1101, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Medalist-Rein Leitzke. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-440-1101 |
| Primary Part Number | 11-139Z |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Medalist-Rein Leitzke |
| Status | ACTIVE |
| Under Head Length | 0.750 INCHES NOMINAL IN |
| Hardness Rating | 79.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM OVERALL |
| Style Designator | STRAIGHT |
| Pin Head Diameter | 0.500 INCHES NOMINAL IN |
| Diameter | 0.375 INCHES NOMINAL IN |
| Head Style | BALL |
| Height | 0.125 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1010 OR STEEL COMP 1018 OVERALL |
| 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 |
|---|---|
| 11-139Z PRIMARY | Medalist-Rein Leitzke (USA) |
| Reference | Meaning |
|---|---|
| 1405945 | 5/9 Secondary reference Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel |
NSN 5315-01-440-1101 is a Pin,straight,headed, manufactured by Medalist-Rein Leitzke, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-440-1101 has 1 manufacturer part number on file: 11-139Z (Medalist-Rein Leitzke).
1 possible match (shared part number, not a government interchangeability claim): 9905-01-562-5719. Verify interchangeability with system specifications before substitution.
Key specifications for 11-139Z: Under Head Length: 0.750 INCHES NOMINAL IN; Hardness Rating: 79.0 ROCKWELL B MINIMUM AND 85.0 ROCKWELL B MAXIMUM OVERALL; Style Designator: STRAIGHT; Pin Head Diameter: 0.500 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.