The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-404-0605, 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 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-404-0605 |
| Primary Part Number | A51B13543-11 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.312 INCHES NOMINAL IN |
| Second Shank Diameter | 0.414 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN |
| Surface Finish | 125.000 MICROINCHES OVERALL |
| First End Taper Length | 0.047 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Thread Length | 0.469 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 1.160 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Shoulder Diameter | 0.750 INCHES NOMINAL IN |
| Second End Outer Radius | 0.135 INCHES NOMINAL IN |
| Second Shank Length | 1.160 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Second End Style | ROUND |
| Thread Class | 3A A |
| Test Data Document | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| A51B13543-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51B13543-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51B13543-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 5315-00-404-0605 is a Pin,shoulder,headless, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-404-0605 has 1 manufacturer part number on file: A51B13543-11 (Northrop Grumman Systems Corporation).
Key specifications for A51B13543-11: Shank Diameter: 0.312 INCHES NOMINAL IN; Second Shank Diameter: 0.414 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN; Surface Finish: 125.000 MICROINCHES OVERALL; First End Taper Length: 0.047 INCHES NOMINAL IN. 24 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.