The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-482-6452, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is C & L Aerospace Pty Ltd. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-482-6452 |
| Primary Part Number | MS14144-8 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | C & L Aerospace Pty Ltd |
| Status | ACTIVE |
| Lubrication | SOLUBLE LUBRICANT |
| Washer Outside Diameter | 0.725 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Width Across Flats | 0.554 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-463 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Criticality Code Justification | AGAV |
| Washer Thickness | 0.070 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5080 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-700 FED SPEC 2ND MATERIAL RESPONSE OR AMS 5085 ASSN STD 3RD MATERIAL RESPONSE OR AMS 5024 ASSN STD 4TH MATERIAL RESPONSE OR AMS 5020 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A322 UNS G40270 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A322, UNS G40370 ASSN STD 7TH MATERIAL RESPONSE OR ASTM 331, UNS G40370 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A519, UNS G40370 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A547, UNS G40370 ASSN STD 7TH MATERIAL RESPONSE OR AMS 6322, UNS G87400 ASSN STD 8TH MATERIAL RESPONSE OR AMS 6323, UNS G87400 ASSN STD 8TH MATERIAL RESPONSE OR AMS 6325, UNS G87400 ASSN STD 8TH MATERIAL RESPONSE OR ERR-060 OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH METALLIC INSERT |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | CASTELLATED HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1035 OR STEEL COMP 1042 OR STEEL COMP 1050 OR STEEL COMP 1137 OR STEEL COMP 11L37 OR STEEL COMP 4027 OR STEEL COMP 4037 OR STEEL COMP 8740 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| MS14144-8 | C & L Aerospace Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| MS14144-8 | 3/2 Design control — primary reference U.S. Government activity |
| MS14144-8 | 5/1 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| MS14144-8 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-482-6452 is a Nut,self-Locking,extended Washer, manufactured by C & L Aerospace Pty Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-482-6452 has 1 manufacturer part number on file: MS14144-8 (C & L Aerospace Pty Ltd).
Key specifications for MS14144-8: Lubrication: SOLUBLE LUBRICANT; Overall Height: 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN; Washer Outside Diameter: 0.725 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN; Width Across Flats: 0.554 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN. 17 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.