The Nut,plain,clinch, cataloged under National Stock Number 5310-01-049-1276, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pics Screw Machine, Inc. Dba Pics Screw Machine Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-049-1276 |
| Primary Part Number | NCN 4-2-3-3 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pics Screw Machine, Inc. Dba Pics Screw Machine Inc |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Pilot Diameter | 0.197 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN |
| Nut Height | 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CLINCH |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OVERALL |
| 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 |
|---|---|
| NCN 4-2-3-3 | Pics Screw Machine, Inc. Dba Pics Screw Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| 610064 | 3/2 Design control — primary reference U.S. Government activity |
| NCN4-2-3-3 | C/1 Advisory reference — outside the item-of-supply concept Dar Electronics Inc Commercial Products Div Dba National Radio Co |
| 610064P215 | 7/2 Vendor item drawing reference U.S. Government activity |
| 44N.093EXH3 | 5/9 Secondary reference U.S. Government activity |
| NCN4-2-3-3 | 5/9 Secondary reference Quadriel Inc |
NSN 5310-01-049-1276 is a Nut,plain,clinch, manufactured by Pics Screw Machine, Inc. Dba Pics Screw Machine Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-049-1276 has 1 manufacturer part number on file: NCN 4-2-3-3 (Pics Screw Machine, Inc. Dba Pics Screw Machine Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-379-5971. Verify interchangeability with system specifications before substitution.
Key specifications for NCN 4-2-3-3: Width Across Flats: 0.250 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.112 INCHES IN. 11 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.