The Pin,grooved,headed, cataloged under National Stock Number 5315-00-050-9910, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory. Government technical data includes 16 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 | 5315-00-050-9910 |
| Primary Part Number | 8U33279-01 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| First End Taper Length | 0.120 INCHES NOMINAL IN |
| Undercut Diameter | 0.315 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Under Head Length | 1.250 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Style Designator | GROOVE |
| Pin Head Diameter | 0.620 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.3748 INCHES MINIMUM AND 0.3749 INCHES MAXIMUM IN |
| First End Taper Angle | 30.0 DEGREES NOMINAL |
| Head Style | KNURLED NO. 2 |
| Height | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Undercut Radius | 0.030 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 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 |
|---|---|
| 8U33279-01 PRIMARY | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA) |
NSN 5315-00-050-9910 is a Pin,grooved,headed, manufactured by Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-050-9910 has 1 manufacturer part number on file: 8U33279-01 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory).
Key specifications for 8U33279-01: Surface Finish: 32.0 MICROINCHES GRIP; First End Taper Length: 0.120 INCHES NOMINAL IN; Undercut Diameter: 0.315 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 16 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.