The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-528-7387, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-528-7387 |
| Primary Part Number | 5287387 |
| Item Name | Nut,plain,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 1.812 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A576 ASSN STD 3RD MATERIAL RESPONSE OR QQ-S-633 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Height | 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Countersink Angle | 87.0 DEGREES MINIMUM AND 93.0 DEGREES MAXIMUM NUT |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 1212 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL |
| 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 |
|---|---|
| 5287387 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2195346 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 2195346 | 5/9 Secondary reference General Motors Corp |
NSN 5310-00-528-7387 is a Nut,plain,slotted,hexagon, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-528-7387 has 1 manufacturer part number on file: 5287387 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 5287387: Width Across Flats: 1.812 INCHES NOMINAL IN; Thread Series: UNF; Material Document and Classification: ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A576 ASSN STD 3RD MATERIAL RESPONSE OR QQ-S-633 FED SPEC 3RD MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 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.