The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-007-2818, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-007-2818 |
| Primary Part Number | A51H20536-11 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Width Across Flats | 1.172 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Hole Configuration Style | CONFIGURATION B |
| Material Document and Classification | GM 3111 6AL-6V-2SN FSCM 26523 MFR REF SINGLE MATERIAL RESPONSE OVERALL V |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.812 INCHES IN |
| Nut Height | 0.343 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.047 INCHES NOMINAL IN |
| Countersink Angle | 120.0 DEGREES NOMINAL NUT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | TITANIUM ALLOY OVERALL |
| Bearing Surface Type | CHAMFERED |
| Hole Type and Quantity | 3 DRILLED |
| 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 |
|---|---|
| A51H20536-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| A51H20536-11 | S & L Aerospace Metals Llc (USA) |
| Reference | Meaning |
|---|---|
| A51H20536-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51H20536-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 5310-00-007-2818 is a Nut,plain,hexagon, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-007-2818 has 2 manufacturer part numbers on file: A51H20536-11 (Northrop Grumman Systems Corporation), A51H20536-11 (S & L Aerospace Metals Llc).
Key specifications for A51H20536-11: Width Across Flats: 1.172 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN; Bearing Surface Finish: 125.0 MICROINCHES; Thread Series: UNIFIED NATIONAL JOINT (UNJ); Hole Configuration Style: CONFIGURATION B. 16 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.