The Setscrew, cataloged under National Stock Number 5305-01-261-1870, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Dings Co Div of Venturedyne Ltd. Government technical data includes 4 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 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 | 5305-01-261-1870 |
| Primary Part Number | 2-10-3A |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Dings Co Div of Venturedyne Ltd |
| Status | ACTIVE |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 2-10-3A PRIMARY | Dings Co Div of Venturedyne Ltd (USA) |
NSN 5305-01-261-1870 is a Setscrew, manufactured by Dings Co Div of Venturedyne Ltd, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-261-1870 has 1 manufacturer part number on file: 2-10-3A (Dings Co Div of Venturedyne Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5130-01-349-1421, 5915-01-438-1450. Verify interchangeability with system specifications before substitution.
Key specifications for 2-10-3A: Thread Length: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN; Thread Quantity Per Inch: 32; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 4 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.