The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-323-2448, 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 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-323-2448 |
| Primary Part Number | 2122554 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| First End Location | BOTH ENDS |
| Surface Treatment Document and Classification | QQ-P-35,TY 1,2,OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | SQUARE |
| First Hole Diameter | 3.500 INCHES NOMINAL IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 3.500 INCHES NOMINAL IN |
| Shoulder Diameter | 3.991 INCHES MINIMUM AND 3.992 INCHES MAXIMUM IN |
| Center to Center Distance Between Holes | 7.995 INCHES MINIMUM AND 8.005 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 630 OVERALL |
| Distance From Centerline of Hole to End of Pin | 1.875 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 |
|---|---|
| 2122554 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5315PL0889624 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2122554 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2122554 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5315-01-323-2448 is a Pin,shoulder,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-323-2448 has 1 manufacturer part number on file: 2122554 (Naval Sea Systems Command).
Key specifications for 2122554: First End Location: BOTH ENDS; Surface Treatment Document and Classification: QQ-P-35,TY 1,2,OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Arrangement Style: BOTH END DRILLED; First End Style: SQUARE. 14 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.