The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-111-3558, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hartwell Corporation. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-111-3558 |
| Primary Part Number | BACN10GH3-A20 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hartwell Corporation |
| Status | ACTIVE |
| Plate Thickness | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Nut Length | 2.450 INCHES MINIMUM AND 2.550 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625,TY 1 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Plate Width | 1.460 INCHES MINIMUM AND 1.570 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Distance From Base to Center of Aperture | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.128 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Center to Center Distance Between Mounting Holes Along Width | 1.000 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 81205-BACN10GH MANUFACTURERS STANDARD |
| Locking Feature | PREVAILING TORQUE WITH METALLIC INSERT |
| Nut Height | 2.410 INCHES MINIMUM AND 2.470 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OR CHROMATE OVERALL |
| Nut Style | PLATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| BACN10GH3-A20 | Hartwell Corporation (USA) |
| BACN10GH3-A20 | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| WSI-332-A20 | 5/9 Secondary reference Atlas Corp Western Sky Industries Div |
| BACN10GH3-A20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-111-3558 is a Nut,self-Locking,plate, manufactured by Hartwell Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-111-3558 has 2 manufacturer part numbers on file: BACN10GH3-A20 (Hartwell Corporation), BACN10GH3-A20 (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for BACN10GH3-A20: Plate Thickness: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Nut Length: 2.450 INCHES MINIMUM AND 2.550 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625,TY 1 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Series: UNF. 21 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.