The Bumper, cataloged under National Stock Number 5340-01-643-0154, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Kastalon Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-643-0154 |
| Primary Part Number | CE-20-K5 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Kastalon Inc |
| Status | ACTIVE |
| Shank Diameter | 5.00 INCHES NOMINAL IN |
| Outside/top Flange Diameter | 5.00 INCHES NOMINAL IN |
| Shank Length | 7.500 INCHES NOMINAL IN |
| Style Designator | FLANGED |
| Mounting Hole Diameter | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Distance Between Mounting Facility Centers | 7.495 INCHES MINIMUM AND 7.505 INCHES MAXIMUM IN |
| Material | PLASTIC POLYURETHANE AND STEEL |
| 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 |
|---|---|
| CE-20-K5 PRIMARY | Kastalon Inc (USA) |
| Reference | Meaning |
|---|---|
| P001363 REV. B ITEM NO. 19 | 5/1 Secondary reference Lake Shore Systems, Inc. |
| A395040A | D/9 Drawing number reference only Kastalon Inc |
NSN 5340-01-643-0154 is a Bumper, manufactured by Kastalon Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-643-0154 has 1 manufacturer part number on file: CE-20-K5 (Kastalon Inc).
Key specifications for CE-20-K5: Shank Diameter: 5.00 INCHES NOMINAL IN; Overall Height: 8.00 INCHES NOMINAL IN; Outside/top Flange Diameter: 5.00 INCHES NOMINAL IN; Shank Length: 7.500 INCHES NOMINAL IN. 7 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.