The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-251-0088, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mgm Brakes Inc Div Indian Head Industries Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-251-0088 |
| Primary Part Number | 1377A |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Mgm Brakes Inc Div Indian Head Industries Inc |
| Status | CANCELLED |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Bearing Surface Type | CHAMFERED |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Quantity Per Inch | 16 |
| Material Document and Classification | SAE,GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Nut Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN |
| Width Across Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 124-4322621 PC 109 | Naval Sea Systems Command (USA) |
| 122-6818601 PC | Naval Sea Systems Command (USA) |
| 122-2557733 PC NO. 71 | Supervisor of Shipbuilding Conversion and Repair Usn (USA) |
| 2420529 | Naval Sea Systems Command (USA) |
| 1377A PRIMARY | Mgm Brakes Inc Div Indian Head Industries Inc (USA) |
| M2027Q | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 122-2420529 PIECE 99 | Naval Sea Systems Command (USA) |
| 1D4717 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2557733 | Naval Sea Systems Command (USA) |
| 4322621 | Naval Sea Systems Command (USA) |
NSN 5310-00-251-0088 is a Nut,plain,hexagon, manufactured by Mgm Brakes Inc Div Indian Head Industries Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-251-0088 has 10 cross-referenced part numbers: 124-4322621 PC 109 (Naval Sea Systems Command), 122-6818601 PC (Naval Sea Systems Command), 122-2557733 PC NO. 71 (Supervisor of Shipbuilding Conversion and Repair Usn), 2420529 (Naval Sea Systems Command), 1377A (Mgm Brakes Inc Div Indian Head Industries Inc) and 5 more.
There are 12 known substitutes for 5310-00-251-0088: 6685-00-066-1059, 6685-00-068-3444, 6685-00-108-1108 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1377A: Thread Series: UNIFIED NATIONAL COARSE (UNC); Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.375 INCHES IN; Thread Quantity Per Inch: 16. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-251-0088 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.