The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-626-3613, 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 30 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-626-3613 |
| Primary Part Number | BACN11G4A1CD |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Plate Thickness | 0.032 INCHES NOMINAL IN |
| Nut Length | 1.292 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2700 NATIONAL SPEC SINGLE TREATMENT RESPONSE CLIP |
| Surface Treatment Document and Classification | QQ-A-416, TY II, CL 2 NATIONAL SPEC SINGLE TREATMENT RESPONSE BASE |
| Surface Treatment Document and Classification | QQ-A-416, TY II, CL 2 NATIONAL SPEC SINGLE TREATMENT RESPONSE NUT |
| Distance From Mounting Hole Center to Base | 0.125 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.584 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Removable Nut Manufacturer Part Number | BACN11F |
| Material Document and Classification | AMS 5525 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR AMS 5731 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR AMS 5732 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR AMS 5737 NATIONAL SPEC SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS 5525 NATIONAL SPEC SINGLE MATERIAL RESPONSE BASE |
| Material Document and Classification | NAS 1795 NATIONAL SPEC SINGLE MATERIAL RESPONSE CLIP |
| Mounting Hole Diameter | 0.098 INCHES NOMINAL IN |
| Nut Counterbore Depth | 0.070 INCHES NOMINAL NUT IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Counterbore Diameter | 0.254 INCHES NOMINAL NUT IN |
| Locking Feature | FREE-RUNNING ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 1.000 INCHES NOMINAL IN |
| Nut Height | 0.295 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| Surface Treatment | CADMIUM BASE |
| Surface Treatment | PASSIVATE CLIP |
| Nut Style | PLATE (FLOATING) |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 NUT |
| Material | IRON ALLOY 660 BASE |
| 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 |
|---|---|
| BACN11G4A1CD | Howmet Global Fastening Systems Inc (USA) |
| BACN11G4A1CD | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| BACN11G4A1CD | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| BACN11G4A1CD | 3/2 Design control — primary reference U.S. Government activity |
| BACN11G4A1CD | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-626-3613 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-626-3613 has 3 manufacturer part numbers on file: BACN11G4A1CD (Howmet Global Fastening Systems Inc), BACN11G4A1CD (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), BACN11G4A1CD (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for BACN11G4A1CD: Plate Thickness: 0.032 INCHES NOMINAL IN; Nut Length: 1.292 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2700 NATIONAL SPEC SINGLE TREATMENT RESPONSE CLIP; Surface Treatment Document and Classification: QQ-A-416, TY II, CL 2 NATIONAL SPEC SINGLE TREATMENT RESPONSE BASE. 30 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.