The Nut,plain,plate, cataloged under National Stock Number 5310-01-490-0057, 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 25 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-490-0057 |
| Primary Part Number | CA354014-4 |
| Item Name | Nut,plain,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Plate Thickness | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Nut Length | 0.160 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE BASE |
| Thread Series | UNF |
| Precious Material | SILVER |
| Plate Width | 0.615 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5528 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-25043 MIL SPEC 2ND MATERIAL RESPONSE BASE |
| Material Document and Classification | AMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE NUT |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.344 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.685 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN |
| Nut Height | 0.432 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BASE |
| Surface Treatment | SILVER NUT |
| Precious Material and Location | NUT PLATED SILVER |
| Nut Style | PLATE (FLOATING) |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 NUT |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| CA354014-4 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5310-01-490-0057 is a Nut,plain,plate, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-490-0057 has 1 manufacturer part number on file: CA354014-4 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA354014-4: Plate Thickness: 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Nut Length: 0.160 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE BASE. 25 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.