The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-202-1438, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-202-1438 |
| Primary Part Number | 5338736-307 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 16.73 MILLIMETERS MINIMUM AND 17.00 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 6H INTERNAL |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-87115 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.50 |
| Material Document and Classification | ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 10.0 MILLIMETERS MM |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 11.67 MILLIMETERS MINIMUM AND 12.10 MILLIMETERS MAXIMUM MM |
| Surface Treatment | CADMIUM AND CHROMATE NUT |
| Nut Style | HEXAGON |
| Material | STEEL NUT |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING INSERT |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 5338736-307 | Century Fasteners Corp. Dba Century Fasteners Corp (USA) |
| 5338736-307 | Metric and Multistandard Components Corp (USA) |
| 5338736-307 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5338736-307 | 5/9 Secondary reference All Stainless, Inc. |
| 5338736-307 | 5/9 Secondary reference North American Bolt and Screw Co Inc |
| 5310PL0810979 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-202-1438 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-202-1438 has 3 manufacturer part numbers on file: 5338736-307 (Century Fasteners Corp. Dba Century Fasteners Corp), 5338736-307 (Metric and Multistandard Components Corp), 5338736-307 (Naval Sea Systems Command).
Key specifications for 5338736-307: Width Across Flats: 16.73 MILLIMETERS MINIMUM AND 17.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 6H INTERNAL; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-87115 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Series: M. 15 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.