The Bumper, cataloged under National Stock Number 5340-01-560-6591, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Kastalon Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-560-6591 |
| Primary Part Number | KWR-1.6 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Kastalon Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| KWR-1.6 PRIMARY | Kastalon Inc (USA) |
| Reference | Meaning |
|---|---|
| 16211500 ITEM 6 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 16211700 ITEM 19 | 5/1 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 16211500 ITEM 6 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 16211200 ITEM 5 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 16211600 ITEM 29 | 5/1 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 16211200 ITEM 5 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5340-01-560-6591 is a Bumper, manufactured by Kastalon Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-560-6591 has 1 manufacturer part number on file: KWR-1.6 (Kastalon Inc).
Key specifications for KWR-1.6: Special Features: DIA. 1 5/8 IN.- LENGTH 1 1/4 IN. EUROPEAN STYLE IN. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.