The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-561-6400, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-561-6400 |
| Primary Part Number | 57A11B51 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Shank Diameter | 0.110 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.122 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN |
| Surface Finish | 125.000 MICROINCHES OVERALL |
| First End Location | BOTH ENDS |
| First End Style | SQUARE |
| Shank Length | 0.164 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.188 INCHES NOMINAL IN |
| Second Shank Length | 0.070 INCHES NOMINAL IN |
| Material | STEEL COMP 303 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 |
|---|---|
| 57A11B51 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 57A11B51 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 505-5714-002 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5315-00-561-6400 is a Pin,shoulder,headless, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-561-6400 has 2 manufacturer part numbers on file: 57A11B51 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 57A11B51 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 57A11B51: Shank Diameter: 0.110 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN; Second Shank Diameter: 0.122 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN; Surface Finish: 125.000 MICROINCHES OVERALL; First End Location: BOTH ENDS. 11 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.