The Bumper, cataloged under National Stock Number 5340-01-643-9440, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-643-9440 |
| Primary Part Number | 167-7325922 ITEM 32 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | A-A-59588 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.1875 INCHES NOMINAL IN |
| Distance Between Mounting Facility Centers | 0.750 INCHES NOMINAL IN |
| Material | RUBBER SILICONE |
| 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 |
|---|---|
| 167-7325922 ITEM 32 | Naval Sea Systems Command (USA) |
| Q6599-20606C | Siloxane Technologies Inc Div California Plant (USA) |
| Reference | Meaning |
|---|---|
| 167-7325922 | D/9 Drawing number reference only Naval Sea Systems Command |
| JE5922-32 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-643-9440 is a Bumper, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-643-9440 has 2 manufacturer part numbers on file: 167-7325922 ITEM 32 (Naval Sea Systems Command), Q6599-20606C (Siloxane Technologies Inc Div California Plant).
Key specifications for 167-7325922 ITEM 32: Overall Height: 1.625 INCHES NOMINAL IN; Material Document and Classification: A-A-59588 ASSN STD SINGLE MATERIAL RESPONSE; Mounting Hole Diameter: 0.1875 INCHES NOMINAL IN; Overall Length: 1.500 INCHES NOMINAL IN. 4 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.