The Pin,shoulder,headed, cataloged under National Stock Number 5315-01-157-8451, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Plc Div Defense (europe). 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-157-8451 |
| Primary Part Number | B499556 |
| Item Name | Pin,shoulder,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Rolls-Royce Plc Div Defense (europe) |
| Status | ACTIVE |
| First Step Diameter | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Third Step Diameter | 0.312 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.273 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| Under Head Length | 1.700 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN |
| First End Style | SQUARE |
| Second Step Length | 0.856 INCHES MINIMUM AND 0.886 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | DTD 5066,FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | DEE CHAMFER |
| Second Step Diameter | 0.243 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Height | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| First Step Length | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Third Step Length | 0.654 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 |
|---|---|
| B499556 PRIMARY | Rolls-Royce Plc Div Defense (europe) (GBR) |
NSN 5315-01-157-8451 is a Pin,shoulder,headed, manufactured by Rolls-Royce Plc Div Defense (europe), classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-157-8451 has 1 manufacturer part number on file: B499556 (Rolls-Royce Plc Div Defense (europe)).
Key specifications for B499556: First Step Diameter: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Third Step Diameter: 0.312 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.273 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN; Under Head Length: 1.700 INCHES MINIMUM AND 1.710 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.