The Pin,straight,headless, cataloged under National Stock Number 5315-00-281-8663, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-281-8663 |
| Primary Part Number | B30787 ALT 8 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES OUTSIDE DIAMETER |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.107 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Pin Overall Length | 1.500 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 0.107 INCHES NOMINAL IN |
| Center to Center Distance Between Holes | 1.250 INCHES NOMINAL IN |
| Material | STEEL COMP 416 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.125 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 |
|---|---|
| B30787 ALT 8 PRIMARY | Siemens Energy, Inc. (USA) |
| M774R | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| G9098PC37 | 5/9 Secondary reference Siemens Energy, Inc. |
| E16593PC35 | 5/9 Secondary reference Siemens Energy, Inc. |
| B30787 | 5/9 Secondary reference Siemens Energy, Inc. |
| G9181PC36 | 5/9 Secondary reference Siemens Energy, Inc. |
| E16592PC34 | 5/9 Secondary reference Siemens Energy, Inc. |
| G10007PC47 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 5315-00-281-8663 is a Pin,straight,headless, manufactured by Siemens Energy, Inc., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-281-8663 has 2 manufacturer part numbers on file: B30787 ALT 8 (Siemens Energy, Inc.), M774R (Siemens Energy, Inc.).
Key specifications for B30787 ALT 8: Surface Finish: 16.0 MICROINCHES OUTSIDE DIAMETER; First End Taper Length: 0.031 INCHES NOMINAL IN; Hole Arrangement Style: BOTH END DRILLED; 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.