The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-034-7814, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-034-7814 |
| Primary Part Number | AD31972-3 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Shank Diameter | 0.438 INCHES NOMINAL IN |
| First End Taper Length | 0.031 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Hole Arrangement Style | DRILLED SHANK THREADED PIN |
| Thread Length | 1.410 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Shank Length | 0.750 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL IN |
| Second End Style | SQUARE |
| Thread Class | 3A A |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| Thread Series Designator | UNF |
| Distance From Centerline of Hole to End of Pin | 0.380 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 |
|---|---|
| AD31972-3 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| AD31972.3 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5315-01-034-7814 is a Pin,shoulder,headless, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-034-7814 has 1 manufacturer part number on file: AD31972-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for AD31972-3: Shank Diameter: 0.438 INCHES NOMINAL IN; First End Taper Length: 0.031 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; First End Location: THREADED END; Hole Arrangement Style: DRILLED SHANK THREADED PIN. 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.