The Pin,tapered,threaded, cataloged under National Stock Number 5315-01-371-8571, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-371-8571 |
| Primary Part Number | 6508709-2 |
| 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 |
| Thread Length | 0.438 INCHES NOMINAL IN |
| First End Style | OVAL |
| Taper Minor Diameter | 0.4375 INCHES NOMINAL IN |
| Style Designator | THREADED AT SMALL END |
| Taper Major Diameter | 0.4893 INCHES MINIMUM AND 0.4913 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Taper Length | 3.500 INCHES NOMINAL IN |
| Taper | 0.250 PER FOOT IN INCHES |
| Thread Class | 2A A |
| Material | STEEL COMP 1215 OVERALL |
| Thread Series Designator | UNF |
| First End Outer Radius | 0.188 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 |
|---|---|
| 6508709-2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7/16-20UNF-2AX3.5 | 5/9 Secondary reference Tvo Acquisition Corporation Dba John Gillen Company |
| 7/16-20UNF-2AX1 .5 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5315-01-371-8571 is a Pin,tapered,threaded, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-371-8571 has 1 manufacturer part number on file: 6508709-2 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-371-9468. Verify interchangeability with system specifications before substitution.
Key specifications for 6508709-2: First End Location: THREADED END; Thread Length: 0.438 INCHES NOMINAL IN; First End Style: OVAL; Taper Minor Diameter: 0.4375 INCHES NOMINAL IN. 15 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.