The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-371-6040, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-371-6040 |
| Primary Part Number | A55F60554-11 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN |
| First End Location | UNTHREADED END |
| Thread Length | 0.420 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Shank Length | 0.710 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.325 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Second Shank Length | 0.710 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.375 INCHES NOMINAL IN |
| Second End Tip Radius | 0.062 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Thread Class | 3A A |
| Material | STEEL COMP XM-12 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| A55F60554-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A55F60554-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5315-01-371-6040 is a Pin,shoulder,headless, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-371-6040 has 1 manufacturer part number on file: A55F60554-11 (Northrop Grumman Systems Corporation).
Key specifications for A55F60554-11: Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN; Second Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN; First End Location: UNTHREADED END; Thread Length: 0.420 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.