The Washer,key, cataloged under National Stock Number 5310-01-033-1609, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-033-1609 |
| Primary Part Number | MB4 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Material Thickness | 1.0 MILLIMETERS NOMINAL MM |
| Hole Diameter | 18.5 MILLIMETERS NOMINAL MM |
| External Prebent Key Width | 4.0 MILLIMETERS NOMINAL MM |
| External Key Quantity | 19 |
| Internal Prebent Key Width | 4.0 MILLIMETERS NOMINAL MM |
| Style Designator | KEY |
| Outside Diameter | 26.0 MILLIMETERS NOMINAL MM |
| Overall Distance Including Keys | 36.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MB4 PRIMARY | Skf Usa Inc. (USA) |
| MB4 PRIMARY | Skf (uk) Ltd (GBR) |
| PMS19070-001-03 | Us Army Aviation and Missile Command (USA) |
NSN 5310-01-033-1609 is a Washer,key, manufactured by Skf Usa Inc., classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-033-1609 has 3 cross-referenced part numbers: MB4 (Skf Usa Inc.), MB4 (Skf (uk) Ltd), PMS19070-001-03 (Us Army Aviation and Missile Command).
There are 6 known substitutes for 5310-01-033-1609: 6680-00-001-1511, 5130-00-402-8176, 3655-00-722-1415 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MB4: Material Thickness: 1.0 MILLIMETERS NOMINAL MM; Hole Diameter: 18.5 MILLIMETERS NOMINAL MM; External Prebent Key Width: 4.0 MILLIMETERS NOMINAL MM; External Key Quantity: 19. 8 total characteristics are documented in the Federal Logistics Information System.