The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-133-2374, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-01-133-2374 |
| Primary Part Number | 74A26019-2001 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co |
| Status | ACTIVE |
| Shank Diameter | 0.750 INCHES NOMINAL IN |
| Second Shank Diameter | 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Surface Finish | 6.0 MICROINCHES OUTSIDE DIAMETER |
| Undercut Width | 0.080 INCHES NOMINAL IN |
| Undercut Diameter | 0.3495 INCHES NOMINAL IN |
| First End Location | ROUND END |
| Hole Arrangement Style | ONE END DRILLED |
| Thread Length | 0.340 INCHES NOMINAL IN |
| First End Style | ROUND |
| First Hole Diameter | 0.281 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN |
| Shank Length | 0.750 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Second Undercut Width | 0.060 INCHES NOMINAL IN |
| Shoulder Diameter | 0.3735 INCHES NOMINAL IN |
| Second Shank Length | 1.480 INCHES NOMINAL IN |
| Second End Style | SQUARE |
| Thread Class | 3A A |
| Second Undercut Diameter | 0.150 INCHES NOMINAL IN |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Centerline of Hole to End of Pin | 0.375 INCHES NOMINAL IN |
| First End Outer Radius | 0.375 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 | F |
| Part Number | Manufacturer |
|---|---|
| 74A426019-2001 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74A426019-2001 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 74A426019-2001 | The Boeing Company Div Services (USA) |
| 74A26019-2001 PRIMARY | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 10123084 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A426019-2001 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 74A426019-2001 | 5/9 Secondary reference Cm Manufacturing Inc Dba Cm Manufacturing Inc |
NSN 5315-01-133-2374 is a Pin,shoulder,headless, manufactured by Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-133-2374 has 4 manufacturer part numbers on file: 74A426019-2001 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74A426019-2001 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 74A426019-2001 (The Boeing Company Div Services), 74A26019-2001 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co).
Key specifications for 74A26019-2001: Shank Diameter: 0.750 INCHES NOMINAL IN; Second Shank Diameter: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Surface Finish: 6.0 MICROINCHES OUTSIDE DIAMETER; Undercut Width: 0.080 INCHES NOMINAL IN. 26 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.