The Nut,plain,blind Rivet, cataloged under National Stock Number 5310-01-440-1256, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bollhoff Inc. Dba Bollhoff Rivnut Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-440-1256 |
| Primary Part Number | S2528KB80 |
| Item Name | Nut,plain,blind Rivet |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bollhoff Inc. Dba Bollhoff Rivnut Inc |
| Status | ACTIVE |
| Head Height | 0.058 INCHES NOMINAL IN |
| Nut Length | 0.922 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Shank End Type | CLOSED |
| Head Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Style | BLIND RIVET W/SMOOTH ROUND SHANK |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1110 OR STEEL COMP 1010 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 |
|---|---|
| S2528KB80 PRIMARY | Bollhoff Inc. Dba Bollhoff Rivnut Inc (USA) |
| Reference | Meaning |
|---|---|
| S2528KB80 | 3/9 Design control — primary reference Bollhoff Rivnut., Inc. Fastening and Assembly Technology Dba Bollhoff Rivnut., Inc. Div Bollhoff Rivnut., Inc. |
NSN 5310-01-440-1256 is a Nut,plain,blind Rivet, manufactured by Bollhoff Inc. Dba Bollhoff Rivnut Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-440-1256 has 1 manufacturer part number on file: S2528KB80 (Bollhoff Inc. Dba Bollhoff Rivnut Inc).
Key specifications for S2528KB80: Head Height: 0.058 INCHES NOMINAL IN; Nut Length: 0.922 INCHES MINIMUM AND 0.952 INCHES MAXIMUM IN; Thread Series: UNF; Shank End Type: CLOSED. 12 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.