The Pin,grooved,headed, cataloged under National Stock Number 5315-01-121-1858, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-121-1858 |
| Primary Part Number | 74A410689-2001 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES OUTSIDE DIAMETER |
| Undercut Diameter | 0.680 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| First End Countersink Diameter | 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Distance From Centerline to Flat | 0.493 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN |
| Under Head Length | 1.255 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| First End Style | COUNTERSUNK |
| Style Designator | GROOVE |
| Pin Head Diameter | 1.125 INCHES NOMINAL IN |
| Material Document and Classification | AMS 6526 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| First End Countersink Angle | 60.0 DEGREES NOMINAL |
| Head Style | DEE CHAMFER |
| Height | 0.125 INCHES NOMINAL IN |
| Undercut Radius | 0.030 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 74A410689-2001 | Blair Industries Inc (USA) |
| 74A410689-2001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 74A410689-2001 | Nassau Tool Works, Inc (USA) |
| 74A410689-2001 | A. J. Associates Manufacturing & Engineering Co. Inc. (USA) |
| 74A410689-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A410689-2001 | Safran Landing Systems Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 74A410689-2001 | 5/2 Secondary reference U.S. Government activity |
| 74A410689-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
| 74A410689-2001 | 5/9 Secondary reference Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co |
| 74A410689-2001 | 5/9 Secondary reference Israel Aircraft Industries Ltd Marketing Directorate |
| 74A410689-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A410689-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 10122929 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410689-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5315-01-121-1858 is a Pin,grooved,headed, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-121-1858 has 6 manufacturer part numbers on file: 74A410689-2001 (Blair Industries Inc), 74A410689-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 74A410689-2001 (Nassau Tool Works, Inc), 74A410689-2001 (A. J. Associates Manufacturing & Engineering Co. Inc.), 74A410689-2001 (The Boeing Company Div Defense) and 1 more.
Key specifications for 74A410689-2001: Surface Finish: 16.0 MICROINCHES OUTSIDE DIAMETER; Undercut Diameter: 0.680 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; First End Countersink Diameter: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Distance From Centerline to Flat: 0.493 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN. 15 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.