The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-320-0368, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Librascope Corporation. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-00-320-0368 |
| Primary Part Number | AX421-102PC7 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1232 INCHES MINIMUM AND 0.1234 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.1232 INCHES MINIMUM AND 0.1234 INCHES MAXIMUM IN |
| Undercut Width | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| First End Taper Length | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN |
| Undercut Diameter | 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| First End Location | SHANK END |
| First End Style | CHAMFERED |
| Shank Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM |
| Second End Relationship with First End | NOT IDENTICAL |
| Second Undercut Width | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Second Shank Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Second End Style | ROUND |
| Second Undercut Diameter | 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Material | STEEL COMP 416 OVERALL |
| First End Outer Radius | 0.010 INCHES MINIMUM AND 0.030 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 |
|---|---|
| AX421-102PC7 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| Reference | Meaning |
|---|---|
| 869827PC7 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5315-00-320-0368 is a Pin,shoulder,headless, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-320-0368 has 1 manufacturer part number on file: AX421-102PC7 (Lockheed Martin Librascope Corporation).
Key specifications for AX421-102PC7: Shank Diameter: 0.1232 INCHES MINIMUM AND 0.1234 INCHES MAXIMUM IN; Second Shank Diameter: 0.1232 INCHES MINIMUM AND 0.1234 INCHES MAXIMUM IN; Undercut Width: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; First End Taper Length: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN. 19 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.