The Bumper, cataloged under National Stock Number 5340-00-868-5388, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Darnell Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-868-5388 |
| Primary Part Number | A-833 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Darnell Corporation |
| Status | ACTIVE |
| Outside/top Flange Diameter | 0.380 INCHES NOMINAL IN |
| Material Hardness Rating | 50.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM |
| Material | RUBBER |
| Hole Diameter | 0.190 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 |
|---|---|
| A-833 PRIMARY | Darnell Corporation (USA) |
| 9543K5 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 855010A0016 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 5340-00-868-5388 is a Bumper, manufactured by Darnell Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-868-5388 has 2 manufacturer part numbers on file: A-833 (Darnell Corporation), 9543K5 (Mcmaster-Carr Supply Co).
Key specifications for A-833: Outside/top Flange Diameter: 0.380 INCHES NOMINAL IN; Material Hardness Rating: 50.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM; Material: RUBBER; Hole Diameter: 0.190 INCHES NOMINAL IN. 4 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.