The Nut,plain,blind Rivet, cataloged under National Stock Number 5310-00-003-1788, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Urania Engineering Co., Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-003-1788 |
| Primary Part Number | 2520SS260 |
| Item Name | Nut,plain,blind Rivet |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Urania Engineering Co., Inc. |
| Status | ACTIVE |
| Head Height | 0.058 INCHES NOMINAL IN |
| Nut Length | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.328 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | BLIND RIVET W/SMOOTH ROUND SHANK |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 430 OVERALL |
| Head Diameter | 0.460 INCHES MINIMUM AND 0.490 INCHES MAXIMUM 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 |
|---|---|
| 2520SS260 | Urania Engineering Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| SS25B260 | 5/9 Secondary reference Bfgoodrich Co the Aerospace Div Engineered Polymer Products |
| 7700625-25 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| SC-D-681076-44 | 1/2 Source control — Government-approved source U.S. Government activity |
| SS25B260 | 3/9 Design control — primary reference Bollhoff Rivnut., Inc. Fastening and Assembly Technology Dba Bollhoff Rivnut., Inc. Div Bollhoff Rivnut., Inc. |
NSN 5310-00-003-1788 is a Nut,plain,blind Rivet, manufactured by Urania Engineering Co., Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-003-1788 has 1 manufacturer part number on file: 2520SS260 (Urania Engineering Co., Inc.).
Key specifications for 2520SS260: Head Height: 0.058 INCHES NOMINAL IN; Nut Length: 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Head Style: FLAT. 13 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.