The Nut,self-Locking,round, cataloged under National Stock Number 5310-00-764-9508, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 21 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-764-9508 |
| Primary Part Number | BACN10GR26L |
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNS |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Thread Pitch Diameters | +2.5119 TO 2.5170 INCHES IN |
| Material Document and Classification | MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE NUT |
| Drive Point Width | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.548 INCHES IN |
| Nut Diameter | 3.110 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACN10GR MANUFACTURERS STANDARD |
| Drive Point Depth | 0.094 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Thickness | 0.445 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE NUT |
| Countersink Angle | 100.0 DEGREES NOMINAL NUT |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Test Data Document | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4130 NUT |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| BACN10GR26L | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACN10GR26 | 3/9 Design control — primary reference The Boeing Company |
| BACN10GR26L | 3/2 Design control — primary reference U.S. Government activity |
| BACN10GR26 | 5/9 Secondary reference U.S. Government activity |
| BACN10GR26L | 5/9 Secondary reference The Boeing Company |
| BACN10GR26L | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-764-9508 is a Nut,self-Locking,round, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-764-9508 has 1 manufacturer part number on file: BACN10GR26L (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for BACN10GR26L: Surface Treatment Document and Classification: MIL-C-13924,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNS; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Thread Pitch Diameters: +2.5119 TO 2.5170 INCHES IN. 21 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.