The Nut,plain,blind Rivet, cataloged under National Stock Number 5310-01-192-3349, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-192-3349 |
| Primary Part Number | S31B350CSI |
| 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 | 1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Shank End Type | CLOSED |
| Head Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Diameter | 0.309 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | BLIND RIVET W/SMOOTH ROUND SHANK |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1108 OR STEEL COMP 1110 OVERALL |
| Head Diameter | 0.650 INCHES MINIMUM AND 0.680 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 |
|---|---|
| S31B350CSI PRIMARY | Bollhoff Inc. Dba Bollhoff Rivnut Inc (USA) |
| Reference | Meaning |
|---|---|
| S31B340CSI | 5/9 Secondary reference Bollhoff Rivnut., Inc. Fastening and Assembly Technology Dba Bollhoff Rivnut., Inc. Div Bollhoff Rivnut., Inc. |
| S31B350CSI | 5/9 Secondary reference Bfgoodrich Co the Aerospace Div Engineered Polymer Products |
| S31B350CSI | 3/9 Design control — primary reference Bollhoff Rivnut., Inc. Fastening and Assembly Technology Dba Bollhoff Rivnut., Inc. Div Bollhoff Rivnut., Inc. |
NSN 5310-01-192-3349 is a Nut,plain,blind Rivet, manufactured by Bollhoff Inc. Dba Bollhoff Rivnut Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-192-3349 has 1 manufacturer part number on file: S31B350CSI (Bollhoff Inc. Dba Bollhoff Rivnut Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-419-8433. Verify interchangeability with system specifications before substitution.
Key specifications for S31B350CSI: Head Height: 0.062 INCHES NOMINAL IN; Nut Length: 1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC). 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.