The Bracket,mounting, cataloged under National Stock Number 5340-01-509-5970, 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 7 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-509-5970 |
| Primary Part Number | 6394974 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Overall Diameter | 1.380 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B443,INCONEL 625 ASSN STD 1ST MATERIAL RESPONSE AND ASTM D-20000-77A,2BC A14 B14 C12 E014 F17 ASSN STD 2ND MATERIAL RESPONSE A |
| Mounting Hole Diameter | 0.404 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Features Provided | CUSHION |
| Material | NICKEL ALLOY AND RUBBER NEOPRENE |
| Mounting Hole Type | PLAIN |
| 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 |
NSN 5340-01-509-5970 is a Bracket,mounting, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-509-5970 has 2 manufacturer part numbers on file: 6394974 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 6394974 (Naval Sea Systems Command).
Key specifications for 6394974: Mounting Hole Quantity: 1; Overall Height: 2.690 INCHES NOMINAL IN; Overall Diameter: 1.380 INCHES NOMINAL IN; Material Document and Classification: ASTM B443,INCONEL 625 ASSN STD 1ST MATERIAL RESPONSE AND ASTM D-20000-77A,2BC A14 B14 C12 E014 F17 ASSN STD 2ND MATERIAL RESPONSE A. 7 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.