The Bumper, cataloged under National Stock Number 5340-00-977-7247, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-977-7247 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Outside/top Flange Diameter | 1.203 INCHES MINIMUM AND 1.234 INCHES MAXIMUM IN |
| Material Hardness Rating | 75.0 DUROMETER MINIMUM AND 85.0 DUROMETER MAXIMUM |
| Largest Countersink Diameter | 1.203 INCHES MINIMUM AND 1.234 INCHES MAXIMUM IN |
| Hole Depth | 0.438 INCHES NOMINAL IN |
| First Counterbore Diameter | 0.531 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN |
| Style Designator | FLAT TOP COUNTERSUNK COUNTERBORED |
| Countersink Depth | 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-STD-417, TYPE T, CLASS TB, GRADE TB810 MIL STD SINGLE MATERIAL RESPONSE |
| First Counterbore Depth | 0.219 INCHES NOMINAL IN |
| Smallest Countersink Diameter | 0.531 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN |
| Material | RUBBER |
| Hole Diameter | 0.281 INCHES MINIMUM AND 0.297 INCHES MAXIMUM 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 |
| Reference | Meaning |
|---|---|
| A68-13-1523 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-977-7247 is a Bumper, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-977-7247: Overall Height: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN; Outside/top Flange Diameter: 1.203 INCHES MINIMUM AND 1.234 INCHES MAXIMUM IN; Material Hardness Rating: 75.0 DUROMETER MINIMUM AND 85.0 DUROMETER MAXIMUM; Largest Countersink Diameter: 1.203 INCHES MINIMUM AND 1.234 INCHES MAXIMUM IN. 12 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.