The Pin,straight,headless, cataloged under National Stock Number 5315-00-899-4477, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-899-4477 |
| Primary Part Number | 521559 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| First End Style | SQUARE |
| Pin Overall Length | 0.870 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 |
|---|---|
| 521559 | Connecticut Aircraft Products, Inc (USA) |
| 521559 | Marine Taxonomic Services, Limited Dba Marine Taxonomic Services Limited (USA) |
| 521559 | Alamo Aircraft, Ltd. (USA) |
| 521559 | Horst Engineering & Manufacturing Co (USA) |
| 521559 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5315-00-899-4477 is a Pin,straight,headless, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-899-4477 has 5 manufacturer part numbers on file: 521559 (Connecticut Aircraft Products, Inc), 521559 (Marine Taxonomic Services, Limited Dba Marine Taxonomic Services Limited), 521559 (Alamo Aircraft, Ltd.), 521559 (Horst Engineering & Manufacturing Co), 521559 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 521559: First End Style: SQUARE; Pin Overall Length: 0.870 INCHES NOMINAL IN. 2 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.