The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-349-9972, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-349-9972 |
| Primary Part Number | 209223-2 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| First Step Diameter | 0.562 INCHES NOMINAL IN |
| First End Countersink Diameter | 0.312 INCHES NOMINAL IN |
| First End Location | RADIUS END |
| Surface Treatment Document and Classification | QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Third Step Diameter | 0.497 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| First End Style | COUNTERSUNK |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM OVERALL |
| Second Step Length | 0.293 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS 5643,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| First End Countersink Angle | 90.0 DEGREES NOMINAL |
| Second Step Diameter | 0.5010 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN |
| First Step Length | 0.188 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | SQUARE W/THRU HOLE |
| Material | STEEL COMP 630 OVERALL |
| Third Step Length | 0.050 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 |
|---|---|
| 209223-2 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 209223-2 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5315-01-349-9972 is a Pin,shoulder,headless, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-349-9972 has 1 manufacturer part number on file: 209223-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 209223-2: First Step Diameter: 0.562 INCHES NOMINAL IN; First End Countersink Diameter: 0.312 INCHES NOMINAL IN; First End Location: RADIUS END; Surface Treatment Document and Classification: QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.