The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-512-5627, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-512-5627 |
| Primary Part Number | ISO10511-M8-A4 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Width Across Flats | 13.0 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.25 |
| Temp Rating | 250.0 FAHRENHEIT MAXIMUM DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 8.0 MILLIMETERS MM |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 5.5 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| Material | STEEL COMP 316 OVERALL EXCEPT INSERT |
| Material | PLASTIC POLYURETHANE LOCKING INSERT |
| Bearing Surface Type | 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 |
|---|---|
| ISO10511-M8-A4 PRIMARY | International Organization for Standardization (iso) (CHE) |
| BN1722-M8 | Bossard Ltd Fasteners (CHE) |
| 30557522 | Bae Systems Surface Ships Limited (GBR) |
| 20208011 | Rheinmetall Protection Systems Gmbh Div Cb (DEU) |
| 193807877 | Safran Electronics & Defense (FRA) |
| BN1722-M8 | Bossard France (FRA) |
| Reference | Meaning |
|---|---|
| DIN985-M8-A4 | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
NSN 5310-01-512-5627 is a Nut,self-Locking,hexagon, manufactured by International Organization for Standardization (iso), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-512-5627 has 6 manufacturer part numbers on file: ISO10511-M8-A4 (International Organization for Standardization (iso)), BN1722-M8 (Bossard Ltd Fasteners), 30557522 (Bae Systems Surface Ships Limited), 20208011 (Rheinmetall Protection Systems Gmbh Div Cb), 193807877 (Safran Electronics & Defense) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-706-8929. Verify interchangeability with system specifications before substitution.
Key specifications for ISO10511-M8-A4: Width Across Flats: 13.0 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: M; Thread Pitch in Millimeters: 1.25. 13 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.