The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-303-2836, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Century Fasteners Corp. Dba Century Fasteners Corp. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-303-2836 |
| Primary Part Number | 5338736-226 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Century Fasteners Corp. Dba Century Fasteners Corp |
| Status | ACTIVE |
| Width Across Flats | 23.73 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 6H INTERNAL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | M |
| Thread Pitch in Millimeters | 2.00 |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | MIL-M-20693,COMP A,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 16.0 MILLIMETERS MM |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 17.37 MILLIMETERS MINIMUM AND 17.80 MILLIMETERS MAXIMUM MM |
| Surface Treatment | PASSIVATE NUT |
| Nut Style | HEXAGON |
| Material | STEEL COMP 316 NUT |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING INSERT |
| 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 |
|---|---|
| 5338736-226 | Century Fasteners Corp. Dba Century Fasteners Corp (USA) |
| 5338736-226 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 5338736-226 | Metric and Multistandard Components Corp (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0818234 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5338736-226 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 5338736-226 | 5/9 Secondary reference North American Bolt and Screw Co Inc |
| 5338736-226 | 3/9 Design control — primary reference All Stainless, Inc. |
NSN 5310-01-303-2836 is a Nut,self-Locking,hexagon, manufactured by Century Fasteners Corp. Dba Century Fasteners Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-303-2836 has 3 manufacturer part numbers on file: 5338736-226 (Century Fasteners Corp. Dba Century Fasteners Corp), 5338736-226 (Sps Technologies, Llc Dba PB Fasteners), 5338736-226 (Metric and Multistandard Components Corp).
Key specifications for 5338736-226: Width Across Flats: 23.73 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 6H INTERNAL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT; 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.