The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-490-4654, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 23 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-490-4654 |
| Primary Part Number | 13084450 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Plate Thickness | 0.025 INCHES NOMINAL IN |
| Nut Length | 0.664 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Mounting Hole Center to Base | 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Precious Material | SILVER |
| Plate Width | 0.310 INCHES NOMINAL IN |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Distance From Base to Center of Aperture | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| Nut Height | 0.142 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| Material | IRON ALLOY 660 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 |
|---|---|
| 13084450 PRIMARY | Lockheed Martin Corporation (USA) |
| LHA228-40 | Amerace Ltd (CAN) |
| Reference | Meaning |
|---|---|
| LHA228-40 | 5/9 Secondary reference Harvard Industries Inc |
| LHA228-40 | 5/2 Secondary reference U.S. Government activity |
| LHA228-40 | 5/9 Secondary reference U.S. Government activity |
| 13084450 | 5/9 Secondary reference Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah |
NSN 5310-00-490-4654 is a Nut,self-Locking,plate, manufactured by Lockheed Martin Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-490-4654 has 2 manufacturer part numbers on file: 13084450 (Lockheed Martin Corporation), LHA228-40 (Amerace Ltd).
Key specifications for 13084450: Plate Thickness: 0.025 INCHES NOMINAL IN; Nut Length: 0.664 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Distance From Mounting Hole Center to Base: 0.320 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN. 23 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.