The Washer,key, cataloged under National Stock Number 5310-00-334-0447, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-334-0447 |
| Primary Part Number | BK-0596-VH |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.656 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Internal Prebent Key Width | 0.156 INCHES NOMINAL IN |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| External Straight Key Width | 0.156 INCHES NOMINAL IN |
| Internal Prebent Key Length | 0.094 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.656 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 |
|---|---|
| BK-0596-VH PRIMARY | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| AA239PC20 | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| Reference | Meaning |
|---|---|
| K-0596-VH | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| K596VH | 5/9 Secondary reference Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash |
NSN 5310-00-334-0447 is a Washer,key, manufactured by Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-334-0447 has 2 manufacturer part numbers on file: BK-0596-VH (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), AA239PC20 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-316-0405. Verify interchangeability with system specifications before substitution.
Key specifications for BK-0596-VH: Distance From Centerline to Inside of Prebent Key: 0.656 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN; Internal Prebent Key Width: 0.156 INCHES NOMINAL IN; Outside Diameter: 2.125 INCHES NOMINAL IN; Material Thickness: 0.031 INCHES NOMINAL IN. 8 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.