The Washer,saddle, cataloged under National Stock Number 5310-00-596-3161, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Safran Power Usa Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-596-3161 |
| Primary Part Number | G128-178 |
| Item Name | Washer,saddle |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Safran Power Usa Llc |
| Status | ACTIVE |
| Style Designator | SADDLE |
| Outside Diameter | 1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN |
| Material Thickness | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.790 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 |
|---|---|
| G128-178 PRIMARY | Safran Power Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| G128-178 | 3/9 Design control — primary reference Lucas Aerospace Power Equipment Corporation |
NSN 5310-00-596-3161 is a Washer,saddle, manufactured by Safran Power Usa Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-3161 has 1 manufacturer part number on file: G128-178 (Safran Power Usa Llc).
Key specifications for G128-178: Style Designator: SADDLE; Outside Diameter: 1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN; Material Thickness: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Surface Treatment: CADMIUM OVERALL. 6 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.