The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-185-8053, 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. Div Tridair Products. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-185-8053 |
| Primary Part Number | CA3440-08 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.020 INCHES NOMINAL IN |
| Nut Length | 0.722 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35,TY 1 OR TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE BASE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Plate Width | 0.386 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OR MIL-S-5059 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-5059 ASSN STD 2ND MATERIAL RESPONSE BASE |
| Mounting Hole Diameter | 0.098 INCHES NOMINAL IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.250 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.500 INCHES NOMINAL IN |
| Nut Height | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BASE |
| Nut Style | PLATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 630 NUT |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L BASE |
| 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 |
|---|---|
| CA3440-08 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 660295 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-185-8053 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-185-8053 has 1 manufacturer part number on file: CA3440-08 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA3440-08: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.020 INCHES NOMINAL IN; Nut Length: 0.722 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35,TY 1 OR TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE BASE. 24 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.