The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-620-6991, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. 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 | 5340-01-620-6991 |
| Primary Part Number | 2443B78G01 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| 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 |
|---|---|
| 2443B78G01 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 6D30589FN002 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
NSN 5340-01-620-6991 is a Standoff,threaded,spacing, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-620-6991 has 2 manufacturer part numbers on file: 2443B78G01 (Northrop Grumman Systems Corporation Div Marine Systems), 6D30589FN002 (Northrop Grumman Systems Corporation Div Marine Systems).
Key specifications for 2443B78G01: Part Name Assigned by Controlling Agency: STANDOFF ASSEMBLY,HEX; End Item Identification: TRANSFER CONTRACTOR MODULE ASSEMBLY. 0 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.