The Bumper, cataloged under National Stock Number 5340-01-485-9547, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-485-9547 |
| Primary Part Number | 3260AS1284 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Outside/top Flange Diameter | 0.563 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Material Hardness Rating | 60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM |
| First Counterbore Diameter | 0.312 INCHES NOMINAL IN |
| Style Designator | DONUT TOP COUNTERBORED |
| First Counterbore Depth | 0.250 INCHES NOMINAL IN |
| Color | BLACK |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR |
| Hole Diameter | 0.156 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 |
|---|---|
| 3260AS1284 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1328B | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 513R | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-485-9547 is a Bumper, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-485-9547 has 2 manufacturer part numbers on file: 3260AS1284 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1328B (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
Key specifications for 3260AS1284: Overall Height: 0.438 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Outside/top Flange Diameter: 0.563 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN; Material Hardness Rating: 60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM; First Counterbore Diameter: 0.312 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.