The Nut,plain,assembled Washer, cataloged under National Stock Number 5310-01-347-6146, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-347-6146 |
| Primary Part Number | 78889M-1216 |
| Item Name | Nut,plain,assembled Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Washer Outside Diameter | 1.320 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM WASHER IN |
| Counterbore Diameter | 0.752 INCHES MINIMUM AND 0.756 INCHES MAXIMUM WASHER IN |
| Nut Style | FLAT WITH TURNED UP EDGE |
| Material | NICKEL ALLOY 718 WASHER |
| 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 |
|---|---|
| 7-211160053-1 | The Boeing Company (USA) |
| 78889M-1216 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 7-211160053-1 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5310-01-347-6146 is a Nut,plain,assembled Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-347-6146 has 2 manufacturer part numbers on file: 7-211160053-1 (The Boeing Company), 78889M-1216 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 78889M-1216: Overall Height: 1.195 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN; Washer Outside Diameter: 1.320 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Nut Counterbore Depth: 0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM WASHER IN; Counterbore Diameter: 0.752 INCHES MINIMUM AND 0.756 INCHES MAXIMUM WASHER IN. 5 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.