The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-398-3569, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-398-3569 |
| Primary Part Number | C99S12255-11 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.995 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | SQUARE |
| First Hole Diameter | 0.250 INCHES NOMINAL IN |
| Shank Length | 1.250 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Second End Relationship with First End | IDENTICAL |
| Distance From Centerline of Hole to End of Pin | 0.310 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 |
|---|---|
| C99S12255-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| C99S12255-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5315-01-398-3569 is a Pin,shoulder,headless, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-398-3569 has 1 manufacturer part number on file: C99S12255-11 (Northrop Grumman Systems Corporation).
Key specifications for C99S12255-11: Shank Diameter: 0.995 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN; First End Location: THREADED END; Hole Arrangement Style: ONE END DRILLED; First End Style: SQUARE. 9 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.