The Adapter,straight,flange to Hose, cataloged under National Stock Number 4730-00-412-7329, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4730-00-412-7329 |
| Primary Part Number | 123EC51041-1 |
| Item Name | Adapter,straight,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Surface Treatment Document and Classification | -1L-C-5541,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE AND -1L-P-2337 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | BEADED (HOSE) SECOND END |
| Nominal Length | 3.000 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 1.000 INCHES SECOND END IN |
| Nominal Overall Length | 1.620 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | QQ-A250/8,TEMPER O FED SPEC SINGLE MATERIAL RESPONSE AND WW-T-700/4,TEMPER O TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE FLANGE |
| Bolt Hole Nominal Diameter | 0.210 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.250 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Surface Treatment | CHROMATE AND EPOXY OVERALL |
| Nominal Width | 2.000 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.250 INCHES FIRST END IN |
| Material | ALUMINUM ALLOY 5052 FLANGE |
| Nominal Thickness | 0.040 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123EC51041-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123EC51041-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 123EC51041 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4730-00-412-7329 is a Adapter,straight,flange to Hose, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-412-7329 has 1 manufacturer part number on file: 123EC51041-1 (Northrop Grumman Systems Corporation).
Key specifications for 123EC51041-1: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Surface Treatment Document and Classification: -1L-C-5541,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE AND -1L-P-2337 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: BEADED (HOSE) SECOND END. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.