The Bumper, cataloged under National Stock Number 5340-01-654-0403, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-654-0403 |
| Primary Part Number | 9405K71 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Outside/top Flange Diameter | 0.6719 INCHES NOMINAL IN |
| First Counterbore Diameter | 0.3281 INCHES NOMINAL IN |
| Style Designator | DONUT TOP COUNTERBORED |
| First Counterbore Depth | 0.1406 INCHES NOMINAL IN |
| Color | BLACK |
| Material | PLASTIC |
| Hole Diameter | 0.1563 INCHES NOMINAL IN |
| 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 |
|---|---|
| 9405K71 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5340-01-654-0403 is a Bumper, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-654-0403 has 1 manufacturer part number on file: 9405K71 (Mcmaster-Carr Supply Co).
Key specifications for 9405K71: Overall Height: 0.250 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.6719 INCHES NOMINAL IN; First Counterbore Diameter: 0.3281 INCHES NOMINAL IN; Style Designator: DONUT TOP COUNTERBORED. 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.