The Nut,self-Locking,round, cataloged under National Stock Number 5310-00-856-0587, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-856-0587 |
| Primary Part Number | BR7414-5612 |
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-16232,TY Z,CL 4A MIL SPEC SINGLE TREATMENT RESPONSE NUT A |
| Thread Series | UNS |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | MIL-S-6758,COND F MIL SPEC 1ST MATERIAL RESPONSE NUT |
| Material Document and Classification | NYLON ZYTEL FSCM 77272 MFR REF 2ND MATERIAL RESPONSE LOCKING INSERT |
| Drive Point Width | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.527 INCHES IN |
| Nut Diameter | 4.297 INCHES MINIMUM AND 4.317 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACN10GR MANUFACTURERS STANDARD |
| Drive Point Depth | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Undercut Thickness | 0.045 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Thickness | 0.460 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE ZINC NUT |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| BR7414-5612 PRIMARY | Esna, Llc (USA) |
| VS10304-9 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| BACN10GR9 | 3/2 Design control — primary reference U.S. Government activity |
| BR7414-5612 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-856-0587 is a Nut,self-Locking,round, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-856-0587 has 2 manufacturer part numbers on file: BR7414-5612 (Esna, Llc), VS10304-9 (The Boeing Company).
Key specifications for BR7414-5612: Surface Treatment Document and Classification: MIL-P-16232,TY Z,CL 4A MIL SPEC SINGLE TREATMENT RESPONSE NUT A; Thread Series: UNS; Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. 22 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.