The Pin,grooved,headless, cataloged under National Stock Number 5315-01-020-6784, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Arcosa Marine Components, Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-020-6784 |
| Primary Part Number | B290 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Arcosa Marine Components, Llc |
| Status | ACTIVE |
| Undercut Width | 0.250 INCHES NOMINAL IN |
| First End Taper Length | 0.062 INCHES NOMINAL IN |
| Undercut Diameter | 0.375 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.141 INCHES NOMINAL IN |
| Hardness Rating | 52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | GROOVE |
| Diameter | 0.500 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 1.625 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Undercut Radius | 0.250 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Distance From Centerline of Hole to End of Pin | 1.344 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 |
|---|---|
| B290 PRIMARY | Arcosa Marine Components, Llc (USA) |
| Reference | Meaning |
|---|---|
| 290 | 5/9 Secondary reference Ingersoll-Rand Co Material Handling Div |
| 290 | C/1 Advisory reference — outside the item-of-supply concept Tse International, Inc |
| L12M-RFA | 5/9 Secondary reference Ingersoll-Rand Co Material Handling Div |
| L12M | 5/9 Secondary reference Ingersoll-Rand Co Material Handling Div |
| 290 | 5/9 Secondary reference Motion Industries, Inc. Div Corporate Office |
| 290-B | 3/9 Design control — primary reference Ingersoll-Rand Co Material Handling Div |
| 290 | 5/9 Secondary reference Motion Industries, Inc. Div Ogden |
NSN 5315-01-020-6784 is a Pin,grooved,headless, manufactured by Arcosa Marine Components, Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-020-6784 has 1 manufacturer part number on file: B290 (Arcosa Marine Components, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5925-01-387-6609, 5365-01-435-4227. Verify interchangeability with system specifications before substitution.
Key specifications for B290: Undercut Width: 0.250 INCHES NOMINAL IN; First End Taper Length: 0.062 INCHES NOMINAL IN; Undercut Diameter: 0.375 INCHES NOMINAL IN; First End Location: BOTH ENDS. 17 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.