The Pin,grooved,headless, cataloged under National Stock Number 5315-01-125-5218, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-125-5218 |
| Primary Part Number | 2122700-178 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| Undercut Width | 0.060 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| First End Taper Length | 0.016 INCHES NOMINAL IN |
| Undercut Diameter | 0.395 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| First End Style | CHAMFERED W/THRU HOLE |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | GROOVE |
| Diameter | 0.6251 INCHES MINIMUM AND 0.6253 INCHES MAXIMUM IN |
| First End Taper Angle | 10.0 DEGREES MINIMUM AND 15.0 DEGREES MAXIMUM |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 1.260 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL COMP 4130H 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 |
|---|---|
| 2122700-178 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 5315PL0924489 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5315-01-125-5218 is a Pin,grooved,headless, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-125-5218 has 1 manufacturer part number on file: 2122700-178 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2122700-178: Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; Undercut Width: 0.060 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; First End Taper Length: 0.016 INCHES NOMINAL IN; Undercut Diameter: 0.395 INCHES MINIMUM AND 0.396 INCHES MAXIMUM IN. 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.