The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-423-4788, 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 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-423-4788 |
| Primary Part Number | 869-8351L1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| 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 |
|---|---|
| 869-8351L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| NUT, 5/8-11 UNC-2B, NICUALL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 641-D-9535 ITEM L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 641-D-9535 ITEM 44L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 869-8351 | 3/1 Design control — primary reference Aqua-Chem, Inc. |
| 641-D-9535 ITEM | 5/1 Secondary reference Aqua-Chem, Inc. |
| 641-D-9535 ITEM 44 | 5/1 Secondary reference Aqua-Chem, Inc. |
NSN 5310-01-423-4788 is a Nut,plain,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-423-4788 has 4 manufacturer part numbers on file: 869-8351L1 (Naval Inventory Control Point Mechanicsburg), NUT, 5/8-11 UNC-2B, NICUALL1 (Naval Inventory Control Point Mechanicsburg), 641-D-9535 ITEM L1 (Naval Inventory Control Point Mechanicsburg), 641-D-9535 ITEM 44L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5307-01-423-4806. Verify interchangeability with system specifications before substitution.
Key specifications for 869-8351L1: Criticality Code Justification: ZZZY; End Item Identification: DISTILLATION UNIT 12000GPD; Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS. 2 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.