The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-709-4131, 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. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-709-4131 |
| Primary Part Number | 2-40420-1 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| First End Taper Length | 0.062 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.076 INCHES NOMINAL IN |
| Shank Length | 0.231 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 15.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 0.076 INCHES NOMINAL IN |
| Shoulder Diameter | 0.375 INCHES NOMINAL IN |
| Second Shank Length | 0.941 INCHES NOMINAL IN |
| Center to Center Distance Between Holes | 0.960 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.141 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 |
|---|---|
| 2-40420 | W. S. Tooling, Inc. (USA) |
| 2-40420-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2-40420-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 2-40420-1 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 5315-00-709-4131 is a Pin,shoulder,headless, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-709-4131 has 2 manufacturer part numbers on file: 2-40420 (W. S. Tooling, Inc.), 2-40420-1 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-570-5982, 5130-01-677-0485. Verify interchangeability with system specifications before substitution.
Key specifications for 2-40420-1: Shank Diameter: 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN; Second Shank Diameter: 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; First End Taper Length: 0.062 INCHES NOMINAL IN. 19 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.