The Pin,grooved,headless, cataloged under National Stock Number 5315-00-189-8487, 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 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-189-8487 |
| Primary Part Number | 1128WM44051-23 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| First End Location | SMALL END |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | SQUARE |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Style | RADIUS |
| Material | STEEL COMP H11 OVERALL |
| Second End Corner Radius | 0.062 INCHES NOMINAL IN |
| Distance From Centerline of Hole to End of Pin | 0.344 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 |
|---|---|
| 1128WM44051-23 | Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp (USA) |
| 1128WM44051-23 | Asi Aerospace Group Dba Aerospace Supply (USA) |
| 1128WM44051-23 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1128WM44051-19 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1128WM44051-23 | 5/9 Secondary reference Alco Machine Co Inc |
| 1128WM44051-23 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5315-00-189-8487 is a Pin,grooved,headless, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-189-8487 has 3 manufacturer part numbers on file: 1128WM44051-23 (Howe Machine & Tool Corp. Dba Howe Machine & Tool Corp), 1128WM44051-23 (Asi Aerospace Group Dba Aerospace Supply), 1128WM44051-23 (Northrop Grumman Systems Corporation).
Key specifications for 1128WM44051-23: First End Location: SMALL END; Hole Arrangement Style: ONE END DRILLED; First End Style: SQUARE; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL. 10 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.