The Pin,straight,headless, cataloged under National Stock Number 5315-01-226-8514, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-226-8514 |
| Primary Part Number | 2042-78 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES BOTH ENDS |
| First End Countersink Diameter | 1.120 INCHES NOMINAL IN |
| Hole Arrangement Style | DRILLED THRU CENTER |
| First End Style | COUNTERSUNK |
| First Hole Diameter | 0.376 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Hardness Rating | 50.5 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Criticality Code Justification | ACHU |
| Material Document and Classification | MIL-S-8844,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pin Overall Diameter | 1.8100 INCHES MINIMUM AND 1.8110 INCHES MAXIMUM IN |
| Pin Overall Length | 8.000 INCHES MINIMUM AND 8.030 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| First End Countersink Angle | 60.0 DEGREES NOMINAL |
| Material | STEEL COMP 4340 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 2042-78 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 2042-78 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5315-01-226-8514 is a Pin,straight,headless, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-226-8514 has 1 manufacturer part number on file: 2042-78 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 2042-78: Surface Finish: 32.0 MICROINCHES BOTH ENDS; First End Countersink Diameter: 1.120 INCHES NOMINAL IN; Hole Arrangement Style: DRILLED THRU CENTER; First End Style: COUNTERSUNK. 13 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.