The Pin,straight,threaded, cataloged under National Stock Number 5315-01-008-2537, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-008-2537 |
| Primary Part Number | AD31972-2 |
| Item Name | Pin,straight,threaded |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| 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 |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.5000 INCHES NOMINAL IN |
| Pin Overall Length | 1.940 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Pin Grip Length | 0.750 INCHES NOMINAL IN |
| Second End Style | SQUARE |
| Material | STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| 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 |
|---|---|
| AD31972-2 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| AD-31972-2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5315-01-008-2537 is a Pin,straight,threaded, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-008-2537 has 1 manufacturer part number on file: AD31972-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for AD31972-2: 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; First End Style: CHAMFERED. 13 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.