The Pin,hollow, cataloged under National Stock Number 5315-01-121-1875, 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 12 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-121-1875 |
| Primary Part Number | 74A410581-2001 |
| Item Name | Pin,hollow |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| First End Countersink Diameter | 0.835 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | COUNTERSUNK |
| First Hole Diameter | 0.090 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-8844,CL 1 COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pin Overall Diameter | 0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN |
| Pin Overall Length | 1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| First End Countersink Angle | 45.0 DEGREES NOMINAL |
| Inside Diameter | 0.795 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN |
| Material | STEEL COMP 4340 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.560 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 |
|---|---|
| 74A410581-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A410581-2001 | The Boeing Company Div Services (USA) |
| 74A410581-2001 | A. J. Associates Manufacturing & Engineering Co. Inc. (USA) |
| 74A410581-2001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 19678-581 | Goodrich Corporation (USA) |
| 74A410581-2001 | Safran Landing Systems Canada Inc. (CAN) |
| 74A410581-2001 | Israel Aerospace Industries Ltd.shl-Aero Assemblies Division (ISR) |
| 74A410581-2001 | Hdi Landing Gear Usa Inc (USA) |
| 74A410581-2001 | Nassau Tool Works, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10122931 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410581-2001 | 5/9 Secondary reference Heroux-Devtek Inc |
| 74A410581-2001 | 5/9 Secondary reference Blair Industries Inc |
| 74A410581-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 19678-581 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A410581-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A410581-2001 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A410581-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
| 74A410581-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A410581-2001 | 5/2 Secondary reference U.S. Government activity |
NSN 5315-01-121-1875 is a Pin,hollow, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-121-1875 has 9 manufacturer part numbers on file: 74A410581-2001 (The Boeing Company Div Defense), 74A410581-2001 (The Boeing Company Div Services), 74A410581-2001 (A. J. Associates Manufacturing & Engineering Co. Inc.), 74A410581-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 19678-581 (Goodrich Corporation) and 4 more.
Key specifications for 74A410581-2001: First End Countersink Diameter: 0.835 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN; Hole Arrangement Style: ONE END DRILLED; First End Style: COUNTERSUNK; First Hole Diameter: 0.090 INCHES NOMINAL IN. 12 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.