The Nut Assembly,retainer Ring, cataloged under National Stock Number 5310-01-677-8154, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-677-8154 |
| Primary Part Number | 393K12732-145 |
| Item Name | Nut Assembly,retainer Ring |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Plate Thickness | 0.032 INCHES NOMINAL IN |
| Plate Width | 12.00 INCHES NOMINAL IN |
| 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 |
|---|---|
| 393K12732-145 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 393K12732-145 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5310-01-677-8154 is a Nut Assembly,retainer Ring, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-677-8154 has 1 manufacturer part number on file: 393K12732-145 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 393K12732-145: Plate Thickness: 0.032 INCHES NOMINAL IN; Plate Width: 12.00 INCHES NOMINAL IN; Special Features: ENGINE BAY SUPPOET DETAILS-FORMED;NEXT HIGHER ASSEMBLY MQ-8B AIR; Part Name Assigned by Controlling Agency: HARPOON CLOSEOUT PANEL. 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.