The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-319-2989, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-319-2989 |
| Primary Part Number | 700-7540 PIECE 12L1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Criticality Code Justification | ZZZW |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Departure From Cited Document | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Nut Height | 0.859 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| Material | NICKEL ALLOY 400 OVERALL |
| Bearing Surface Type | FLAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 700-7540 PIECE 12L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 869-7581L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 700-7540 PC 12 | 3/1 Design control — primary reference Aqua-Chem, Inc. |
| 869-7581 | 5/1 Secondary reference Aqua-Chem, Inc. |
| MIL-S-001222L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MIL-S-001222 | 4/1 Identification reference U.S. Government activity |
NSN 5310-01-319-2989 is a Nut,plain,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-319-2989 has 2 manufacturer part numbers on file: 700-7540 PIECE 12L1 (Naval Inventory Control Point Mechanicsburg), 869-7581L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 700-7540 PIECE 12L1: Width Across Flats: 1.500 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Criticality Code Justification: ZZZW; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.