The Bumper, cataloged under National Stock Number 5340-01-417-2572, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: FT.
| Parameter | Value |
|---|---|
| NSN | 5340-01-417-2572 |
| Primary Part Number | 143-1963 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| Status | ACTIVE |
| Bottom Flange Diameter | 0.4300 INCHES NOMINAL IN |
| Outside/top Flange Diameter | 0.4300 INCHES NOMINAL IN |
| Groove Diameter | 0.0900 INCHES NOMINAL IN |
| Style Designator | DOUBLE FLANGE |
| Material Document and Classification | MIL-R-6855, CLASS 2, TYPE A, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bottom Flange Width | 0.0600 INCHES NOMINAL IN |
| Top Flange Width | 0.0600 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 | FT |
| Part Number | Manufacturer |
|---|---|
| 143-1963 PRIMARY | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 497A80062-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 497A80062-1 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 5340-01-417-2572 is a Bumper, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-417-2572 has 1 manufacturer part number on file: 143-1963 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).
Key specifications for 143-1963: Bottom Flange Diameter: 0.4300 INCHES NOMINAL IN; Overall Height: 0.6200 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.4300 INCHES NOMINAL IN; Groove Diameter: 0.0900 INCHES NOMINAL IN. 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.