The Cross,pipe, cataloged under National Stock Number 4730-00-256-4203, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-256-4203 |
| Item Name | Cross,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 2.468 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Specification/standard Data | 88044-AN918 GOVERNMENT STANDARD AND 81343-AS4842 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | ANPT ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AN918 | 4/1 Identification reference U.S. Government activity |
| AS4858D04 | 5/9 Secondary reference U.S. Government activity |
| AN918-4D | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| AN918-4D | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| AN918-4D | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| MIL-F-5509 | 5/9 Secondary reference U.S. Government activity |
| AN918-4D | 5/9 Secondary reference U.S. Government activity |
| AN918-4D | 5/1 Secondary reference Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply |
| AN918-4W | 2/2 Government specification standardization U.S. Government activity |
| AN918-4W | 5/9 Secondary reference U.S. Government activity |
| AN918-4W | 5/9 Secondary reference Sae International Dba Sae International |
| AN918-4D | 5/9 Secondary reference Crown Fitting Co Inc |
| AN918-4D | 5/9 Secondary reference Collins Engineering Corp |
| AN918-4D | 5/1 Secondary reference Aerofit, Llc |
| AN918-4D | 5/1 Secondary reference Hydro-Fitting Manufacturing Corporation |
| SAE-AS4842 | 5/1 Secondary reference Sae International Dba Sae International |
| AS4858W04 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-00-256-4203 is a Cross,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-256-4203: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 11 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.