The Nut,plain,barrel, cataloged under National Stock Number 5310-01-646-9423, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-646-9423 |
| Primary Part Number | 161-6984992-130 |
| Item Name | Nut,plain,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Hole Thread Quantity Per Inch | 18 |
| Nut Length | 7.000 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hole Configuration Style | CONFIGURATION F |
| Material Document and Classification | QQ-N-281, FORM 1, COND HF FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 4.000 INCHES NOMINAL IN |
| Nut Style | PLAIN BARREL |
| Thread Class | 3B |
| Hole Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Quantity Per Inch | 4 |
| Material | NICKEL ALLOY 400 FIRST END |
| Distance From Centerline of Threaded Hole to End of Nut | 1.630 INCHES NOMINAL IN |
| Hole Type and Quantity | 3 TAPPED |
| 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 |
|---|---|
| 161-6984992-130 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H444-0500-130 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-646-9423 is a Nut,plain,barrel, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-646-9423 has 1 manufacturer part number on file: 161-6984992-130 (Naval Sea Systems Command).
Key specifications for 161-6984992-130: Hole Thread Quantity Per Inch: 18; Nut Length: 7.000 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Hole Configuration Style: CONFIGURATION F. 15 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.