The Bumper, cataloged under National Stock Number 5340-01-273-0142, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Minor Rubber Co Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-273-0142 |
| Primary Part Number | ZB-1273 M.I. |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Minor Rubber Co Inc |
| Status | ACTIVE |
| Second Counterbore Depth | 0.937 INCHES NOMINAL IN |
| Outside/top Flange Diameter | 1.000 INCHES NOMINAL IN |
| Material Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM |
| First Counterbore Diameter | 0.187 INCHES NOMINAL IN |
| Style Designator | FLAT TOP COUNTERBORED |
| Material Document and Classification | ASTM D2000, ETHYLENE PROPYLENE, TYPE CA ASSN STD SINGLE MATERIAL RESPONSE |
| Second Counterbore Diameter | 0.343 INCHES NOMINAL IN |
| Color | BLACK |
| Material | RUBBER |
| Hole Diameter | 0.187 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 |
|---|---|
| ZB-1273 M.I. PRIMARY | Minor Rubber Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 2612066-1 | 7/2 Vendor item drawing reference Alliant Techsystems Operations Llc Div Defense Electronic Systems |
NSN 5340-01-273-0142 is a Bumper, manufactured by Minor Rubber Co Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-273-0142 has 1 manufacturer part number on file: ZB-1273 M.I. (Minor Rubber Co Inc).
Key specifications for ZB-1273 M.I.: Second Counterbore Depth: 0.937 INCHES NOMINAL IN; Overall Height: 1.312 INCHES NOMINAL IN; Outside/top Flange Diameter: 1.000 INCHES NOMINAL IN; Material Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM. 10 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.