The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-893-6052, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-00-893-6052 |
| Primary Part Number | 123BM40628-1 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN |
| First End Taper Length | 0.062 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Second End Taper Angle | 21.0 DEGREES NOMINAL |
| Thread Length | 1.125 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 1.922 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 1.000 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Shoulder Diameter | 0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM IN |
| Second End Style | CHAMFERED |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 123BM40628-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123BM40628-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5315-00-893-6052 is a Pin,shoulder,headless, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-893-6052 has 1 manufacturer part number on file: 123BM40628-1 (Northrop Grumman Systems Corporation).
Key specifications for 123BM40628-1: Shank Diameter: 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN; First End Taper Length: 0.062 INCHES NOMINAL IN; First End Location: THREADED END; Second End Taper Angle: 21.0 DEGREES NOMINAL. 20 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.