The Pin,straight,threaded, cataloged under National Stock Number 5315-00-944-5855, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Rotair Aerospace Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-944-5855 |
| Primary Part Number | S6121-62764-18 |
| Item Name | Pin,straight,threaded |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Rotair Aerospace Corp |
| Status | ACTIVE |
| First End Location | BOTH ENDS |
| Hole Arrangement Style | ONE END DRILLED |
| Thread Length | 0.590 INCHES NOMINAL IN |
| First End Style | SQUARE |
| First Hole Diameter | 0.094 INCHES NOMINAL IN |
| Pin Overall Diameter | 0.2500 INCHES NOMINAL IN |
| Pin Overall Length | 4.090 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Pin Grip Length | 3.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Centerline of Hole to End of Pin | 0.273 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 |
|---|---|
| S6121-62764-18 PRIMARY | Rotair Aerospace Corp (USA) |
| S6121-62764-18 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5315-00-944-5855 is a Pin,straight,threaded, manufactured by Rotair Aerospace Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-944-5855 has 2 manufacturer part numbers on file: S6121-62764-18 (Rotair Aerospace Corp), S6121-62764-18 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6121-62764-18: First End Location: BOTH ENDS; Hole Arrangement Style: ONE END DRILLED; Thread Length: 0.590 INCHES NOMINAL IN; First End Style: SQUARE. 16 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.