The Bumper, cataloged under National Stock Number 5340-00-209-9347, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-209-9347 |
| Primary Part Number | MB50 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Outside/top Flange Diameter | 0.500 INCHES NOMINAL IN |
| Material Hardness Rating | 65.0 DUROMETER NOMINAL |
| Fastening Device Type | MACHINE SCREW |
| Shank Length | 0.250 INCHES NOMINAL IN |
| Style Designator | ROUND TOP COTTER PIN STUD |
| Color | BLACK |
| Fastening Device Size | NO. 6-32 MACHINE SCREW |
| Material | RUBBER NATURAL |
| 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 |
|---|---|
| MB50 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 00237 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| MB50 | 5/9 Secondary reference U.S. Government activity |
| MB50B | 5/9 Secondary reference Miller Products Co Inc |
| MB50 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-209-9347 is a Bumper, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-209-9347 has 2 manufacturer part numbers on file: MB50 (Fastener Innovation Technology, Inc. Dba F I T), 00237 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-255-2934. Verify interchangeability with system specifications before substitution.
Key specifications for MB50: Overall Height: 0.500 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.500 INCHES NOMINAL IN; Material Hardness Rating: 65.0 DUROMETER NOMINAL; Fastening Device Type: MACHINE SCREW. 8 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.