The Pin,shoulder,headed, cataloged under National Stock Number 5315-01-378-9341, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Turnbull Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-378-9341 |
| Primary Part Number | 31748 |
| Item Name | Pin,shoulder,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Turnbull Llc |
| Status | ACTIVE |
| First End Taper Length | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| First Step Diameter | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Under Head Length | 5.182 INCHES MINIMUM AND 5.192 INCHES MAXIMUM IN |
| First End Style | CHAMFERED |
| Second Step Length | 4.680 INCHES MINIMUM AND 4.692 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Pin Head Diameter | 1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN |
| Head Style | PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION) |
| Second Step Diameter | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Height | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| First Step Length | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM SHANK |
| Surface Treatment | ANODIZE HEAD |
| Surface Treatment | CADMIUM SHOULDER |
| Material | ALUMINUM ALLOY 6061 HEAD |
| Material | STEEL COMP 1018 SHANK |
| Material | STEEL SHOULDER |
| 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 |
|---|---|
| 31748 PRIMARY | Turnbull Llc (USA) |
| Reference | Meaning |
|---|---|
| 31748 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-01-378-9341 is a Pin,shoulder,headed, manufactured by Turnbull Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-378-9341 has 1 manufacturer part number on file: 31748 (Turnbull Llc).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-559-9224. Verify interchangeability with system specifications before substitution.
Key specifications for 31748: First End Taper Length: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN; First Step Diameter: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN; Under Head Length: 5.182 INCHES MINIMUM AND 5.192 INCHES MAXIMUM IN; First End Style: CHAMFERED. 17 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.