The Nut,plain,blind Rivet, cataloged under National Stock Number 5310-01-101-6044, 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 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-101-6044 |
| Primary Part Number | SS31K125 |
| Item Name | Nut,plain,blind Rivet |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bollhoff Inc. Dba Bollhoff Rivnut Inc |
| Status | ACTIVE |
| Head Height | 0.062 INCHES NOMINAL IN |
| Nut Length | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Shank End Type | OPEN |
| Head Style | FLAT KEYED |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Diameter | 0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN |
| Key Length | 0.040 INCHES MAXIMUM IN |
| Nut Style | BLIND RIVET W/SMOOTH ROUND SHANK |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 430 OVERALL |
| Head Diameter | 0.650 INCHES MINIMUM AND 0.665 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 |
|---|---|
| SS31K125 PRIMARY | Bollhoff Inc. Dba Bollhoff Rivnut Inc (USA) |
| Reference | Meaning |
|---|---|
| AESS31K125 | 5/9 Secondary reference Atlas Engineering Inc |
| SS31K125 | 5/9 Secondary reference Bfgoodrich Co the Aerospace Div Engineered Polymer Products |
| SS31K125 | 3/9 Design control — primary reference Bollhoff Rivnut., Inc. Fastening and Assembly Technology Dba Bollhoff Rivnut., Inc. Div Bollhoff Rivnut., Inc. |
| RNSS518-125K | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-101-6044 is a Nut,plain,blind Rivet, manufactured by Bollhoff Inc. Dba Bollhoff Rivnut Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-101-6044 has 1 manufacturer part number on file: SS31K125 (Bollhoff Inc. Dba Bollhoff Rivnut Inc).
Key specifications for SS31K125: Head Height: 0.062 INCHES NOMINAL IN; Nut Length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Shank End Type: OPEN. 14 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.