The Pin,tapered,threaded, cataloged under National Stock Number 5315-01-181-2398, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-181-2398 |
| Item Name | Pin,tapered,threaded |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| First End Location | THREADED END |
| Thread Length | 0.250 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Style Designator | THREADED AT LARGE END |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Taper Major Diameter | 0.250 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Taper Length | 1.380 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Material | STEEL COMP 1018 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 |
| Reference | Meaning |
|---|---|
| H-3373 GR0UP 4 PIECE 039 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. |
| H-3373 PIECE 039 | 3/9 Design control — primary reference Siemens Energy, Inc. |
NSN 5315-01-181-2398 is a Pin,tapered,threaded, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-181-2398: First End Location: THREADED END; Thread Length: 0.250 INCHES NOMINAL IN; First End Style: SQUARE; Style Designator: THREADED AT LARGE END. 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.