The Pin,straight,headless, cataloged under National Stock Number 5315-01-397-3409, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-397-3409 |
| Primary Part Number | C99S12251-11 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES OUTSIDE DIAMETER |
| First End Taper Length | 0.060 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Material Document and Classification | ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 1.2430 INCHES MINIMUM AND 1.2450 INCHES MAXIMUM IN |
| Pin Overall Length | 6.750 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| C99S12251-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| C99S12251-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5315-01-397-3409 is a Pin,straight,headless, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-397-3409 has 1 manufacturer part number on file: C99S12251-11 (Northrop Grumman Systems Corporation).
Key specifications for C99S12251-11: Surface Finish: 16.0 MICROINCHES OUTSIDE DIAMETER; First End Taper Length: 0.060 INCHES NOMINAL IN; First End Style: CHAMFERED; Material Document and Classification: ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.