The Washer,key, cataloged under National Stock Number 5310-00-825-2690, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Michigan Dynamics Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-825-2690 |
| Primary Part Number | 5977B |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Michigan Dynamics Inc |
| Status | ACTIVE |
| Outside Diameter | 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN |
| External Straight Key Width | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| External Key Quantity | 1 |
| Hole Diameter | 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Material | STEEL COMP 301 OVERALL |
| Material Document and Classification | MIL-S-5059,ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | KEY |
| Overall Distance Including Keys | 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN |
| Material Thickness | 0.0136 INCHES MINIMUM AND 0.0176 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-825-2690 is a Washer,key, manufactured by Michigan Dynamics Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-825-2690 has 2 cross-referenced part numbers: 5977 (Michigan Dynamics Inc), 5977B (Michigan Dynamics Inc).
There are 5 known substitutes for 5310-00-825-2690: 7530-00-076-3842, 3110-00-112-6565, 5960-00-262-0178 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5977B: Outside Diameter: 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN; External Straight Key Width: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; External Key Quantity: 1; Hole Diameter: 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.