The Cross,tube, cataloged under National Stock Number 4730-01-228-1045, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 30 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-228-1045 |
| Primary Part Number | 7323993 |
| Item Name | Cross,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Style | FLARED (TUBE) FOURTH END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FOURTH END |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALLUNABLE TO DECODE |
| Nominal Outside Diameter Tube Accommodated | 0.440 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FOURTH END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.440 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FOURTH ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter Tube Accommodated | 0.440 INCHES FIRST ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter Tube Accommodated | 0.440 INCHES SECOND ENDUNABLE TO DECODE IN |
| Leg Length | 0.380 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.380 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.150 INCHES NOMINAL FOURTH END IN |
| Leg Length | 1.150 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.438 INCHES THIRD END IN |
| Nominal Thread Size | 0.438 INCHES FOURTH END IN |
| Seat Angle | 37.0 DEGREES THIRD END |
| Seat Angle | 37.0 DEGREES FOURTH END |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Thread Class | 2A FOURTH END A |
| Thread Class | 2A THIRD END A |
| 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 |
|---|---|
| 7323993 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4730-01-228-1045 is a Cross,tube, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-228-1045 has 1 manufacturer part number on file: 7323993 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7323993: Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Connection Style: FLARED (TUBE) THIRD END. 30 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.