The Bracket,mounting, cataloged under National Stock Number 5340-01-641-9870, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-641-9870 |
| Primary Part Number | 566-6985432-6 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 14 |
| Overall Diameter | 12.812 INCHES NOMINAL IN |
| Overall Thickness | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281, CL-A, FORM-B. CPMD-HF FED SPEC SINGLE MATERIAL RESPONSE |
| Material | NICKEL ALLOY |
| Mounting Hole Type | PLAIN AND THRU HOLE |
| 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 |
|---|---|
| 566-6985432-6 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H623-0505-6 | 5/2 Secondary reference U.S. Government activity |
| 566-6985432 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5340-01-641-9870 is a Bracket,mounting, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-641-9870 has 1 manufacturer part number on file: 566-6985432-6 (Naval Sea Systems Command).
Key specifications for 566-6985432-6: Mounting Hole Quantity: 14; Overall Diameter: 12.812 INCHES NOMINAL IN; Overall Thickness: 0.500 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281, CL-A, FORM-B. CPMD-HF FED SPEC SINGLE MATERIAL RESPONSE. 6 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.