The Washer,key, cataloged under National Stock Number 5310-01-328-1689, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Newterra Corporation, Inc.. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-328-1689 |
| Primary Part Number | G159875 PIECE 10 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Newterra Corporation, Inc. |
| Status | ACTIVE |
| External Straight Key Length | 0.500 INCHES NOMINAL IN |
| Overall Distance Including Keys | 3.312 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | ASTM B127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Peening Key Length | 2.188 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| External Straight Key Width | 0.438 INCHES NOMINAL IN |
| External Key Quantity | 6 |
| Material | NICKEL ALLOY 400 OVERALL |
| Hole Diameter | 0.562 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 |
|---|---|
| G159875 PIECE 10 PRIMARY | Newterra Corporation, Inc. (USA) |
NSN 5310-01-328-1689 is a Washer,key, manufactured by Newterra Corporation, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-328-1689 has 1 manufacturer part number on file: G159875 PIECE 10 (Newterra Corporation, Inc.).
Key specifications for G159875 PIECE 10: External Straight Key Length: 0.500 INCHES NOMINAL IN; Overall Distance Including Keys: 3.312 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: ASTM B127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.