The Pin,straight,headless, cataloged under National Stock Number 5315-00-043-1453, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Canada Limited Dba Elcan Optical Technologies, Div of. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-00-043-1453 |
| Primary Part Number | MS16555-637 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Raytheon Canada Limited Dba Elcan Optical Technologies, Div of |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES OUTSIDE DIAMETER |
| First End Taper Length | 0.183 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | CHAMFERED |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | ASTM A493 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 4.0 DEGREES MINIMUM AND 16.0 DEGREES MAXIMUM |
| Pin Overall Diameter | 0.1563 INCHES MINIMUM AND 0.1565 INCHES MAXIMUM IN |
| Pin Overall Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | RADIUS |
| Material | STEEL COMP 410 OR STEEL COMP 416 OVERALL |
| Second End Corner Radius | 0.052 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 |
|---|---|
| MS16555-637 | Raytheon Canada Limited Dba Elcan Optical Technologies, Div of (CAN) |
| Reference | Meaning |
|---|---|
| MS16555-637 | 2/2 Government specification standardization U.S. Government activity |
NSN 5315-00-043-1453 is a Pin,straight,headless, manufactured by Raytheon Canada Limited Dba Elcan Optical Technologies, Div of, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-043-1453 has 1 manufacturer part number on file: MS16555-637 (Raytheon Canada Limited Dba Elcan Optical Technologies, Div of).
Key specifications for MS16555-637: Surface Finish: 16.0 MICROINCHES OUTSIDE DIAMETER; First End Taper Length: 0.183 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; First End Style: CHAMFERED. 14 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.