The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-274-7787, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-274-7787 |
| Primary Part Number | 11BLT72 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mack Trucks Inc Parts Opn |
| Status | ACTIVE |
| Width Across Flats | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Material Document and Classification | SAE 1114 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Height | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| 11BLT72 PRIMARY | Mack Trucks Inc Parts Opn (USA) |
| 4A0104A PRIMARY | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 14X32 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 4A0104A PRIMARY | Abm Equipment, Llc (USA) |
| Reference | Meaning |
|---|---|
| 314459 | 5/9 Secondary reference General Motors Corp |
| 346D5 | 5/9 Secondary reference Diamond Reo Truck Co |
| 16712C | 5/9 Secondary reference Diamond Reo Truck Co |
| 314459 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 304984 | 5/9 Secondary reference White Motor Corp |
| 11A7965 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-274-7787 is a Nut,plain,hexagon, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-274-7787 has 4 manufacturer part numbers on file: 11BLT72 (Mack Trucks Inc Parts Opn), 4A0104A (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 14X32 (Meritor Heavy Vehicle Systems, Llc), 4A0104A (Abm Equipment, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-081-3788. Verify interchangeability with system specifications before substitution.
Key specifications for 11BLT72: Width Across Flats: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN; Thread Series: UNF; Material Document and Classification: SAE 1114 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 11 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.