The Washer,key, cataloged under National Stock Number 5310-00-741-0167, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-741-0167 |
| Primary Part Number | 520418 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.430 INCHES NOMINAL IN |
| Split Key Length | 0.096 INCHES NOMINAL IN |
| External Prebent Key Length | 0.094 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.026 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-636 CD4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-636 CD 5 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.780 INCHES NOMINAL IN |
| External Tapered Key Width | 0.340 INCHES NOMINAL IN |
| Material Thickness | 0.085 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| External Key Quantity | 3 |
| External Prebent Key Angle | 15.0 DEGREES NOMINAL |
| External Prebent Key Width | 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Angle Between External Keys | 60.0 DEGREES NOMINAL |
| Hole Diameter | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-00-741-0167 is a Washer,key, manufactured by Renk America Llc Div Renk America, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-741-0167 has 2 manufacturer part numbers on file: 520418 (Renk America Llc Div Renk America), 7410167 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 520418: Distance From Centerline to Inside of Prebent Key: 0.430 INCHES NOMINAL IN; Split Key Length: 0.096 INCHES NOMINAL IN; External Prebent Key Length: 0.094 INCHES NOMINAL IN; Overall Distance Including Keys: 1.026 INCHES NOMINAL IN. 15 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.