The Nut,plain,barrel, cataloged under National Stock Number 5310-01-475-8209, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-475-8209 |
| Primary Part Number | 3M155-16-2NL |
| Item Name | Nut,plain,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Nut Length | 1.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Diameter | 1.537 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Barrel Height | 1.194 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 |
|---|---|
| 3M155-16-2NL PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 3M155-16-2NL PRIMARY | The Boeing Company Div Defense (USA) |
| 3M155-16-2NL PRIMARY | Bristol Industries, Llc (USA) |
| 42FBN1612ANL | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M155-16-2NL PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 3M155-16-2NL PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BN00924-16NL | Bristol Industries, Llc (USA) |
| SLN169-16-2NL | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| 3M155-16-2NL | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-475-8209 is a Nut,plain,barrel, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-475-8209 has 8 manufacturer part numbers on file: 3M155-16-2NL (Howmet Global Fastening Systems Inc), 3M155-16-2NL (The Boeing Company Div Defense), 3M155-16-2NL (Bristol Industries, Llc), 42FBN1612ANL (Sps Technologies, Llc Dba PB Fasteners), 3M155-16-2NL (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok) and 3 more.
Key specifications for 3M155-16-2NL: Nut Length: 1.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Temp Rating: 450.0 FAHRENHEIT MAXIMUM DEGF. 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.