The Coupler Acoustic, cataloged under National Stock Number 2240-01-722-0125, is classified within Federal Supply Class 2240 (Locomotive and Rail Car Accessories and Components) of the Railway Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupler Acoustic |
| FSC / FSG | 2240 — Locomotive and Rail Car Accessories and Components (FSG 22) |
| Manufacturers | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 31442) |
| Parameter | Value |
|---|---|
| NSN | 2240-01-722-0125 |
| Primary Part Number | 1G07217-G02 |
| Item Name | Coupler Acoustic |
| FSC / FSG | 2240 / 22 — Locomotive and Rail Car Accessories and Components |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1G07217-G02 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| H443-011-H-72 | 5/2 Secondary reference U.S. Government activity |
| 461-7383808-H-72 | D/9 Drawing number reference only Naval Sea Systems Command |
| 7383808 SHEET 5-147 PG 73 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 2240-01-722-0125 is a Coupler Acoustic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 2240, Locomotive and Rail Car Accessories and Components. Status: active.
NSN 2240-01-722-0125 has 1 manufacturer part number on file: 1G07217-G02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
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.