The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-340-1403, 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 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 | 5315-01-340-1403 |
| Primary Part Number | GS520CP1 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| First End Location | SHANK END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Counterbore Diameter | 0.062 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| First End Style | COUNTERBORED W/O THRU HOLE |
| Shank Length | 0.063 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Shoulder Diameter | 0.142 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | SQUARE |
| Material | STEEL COMP 303SE OVERALL |
| First End Counterbore Depth | 0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM 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 |
|---|---|
| GS520CP1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5315-01-340-1403 is a Pin,shoulder,headless, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-340-1403 has 1 manufacturer part number on file: GS520CP1 (Northrop Grumman Systems Corporation).
Key specifications for GS520CP1: Shank Diameter: 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; First End Location: SHANK END; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; First End Counterbore Diameter: 0.062 INCHES MINIMUM AND 0.067 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.