The Pin,tapered,threaded, cataloged under National Stock Number 5315-01-268-4946, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-268-4946 |
| Primary Part Number | 3145238-82 |
| Item Name | Pin,tapered,threaded |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Location | THREADED END |
| Second End Taper Angle | 15.0 DEGREES NOMINAL |
| First End Style | OVAL |
| Second End Taper Length | 0.036 INCHES NOMINAL IN |
| Taper Major Diameter | 0.250 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Nominal Thread Size | 0.164 INCHES IN |
| Second End Style | THREADED AND COUNTERBORED |
| Taper | 0.250 PER FOOT IN INCHES |
| Thread Class | 2B |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 3145238-82 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5315PL0841273 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3145238-82 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1053445-82 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 1053445-82 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
NSN 5315-01-268-4946 is a Pin,tapered,threaded, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-268-4946 has 1 manufacturer part number on file: 3145238-82 (Naval Sea Systems Command).
Key specifications for 3145238-82: First End Location: THREADED END; Second End Taper Angle: 15.0 DEGREES NOMINAL; First End Style: OVAL; Second End Taper Length: 0.036 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.