The Elbow,tube, cataloged under National Stock Number 4730-01-304-7553, 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 Sae International Dba Sae International. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-304-7553 |
| Primary Part Number | AS1038D3224 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE-2,CLASS-2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | QQ-A-367 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 2.000 INCHES FIRST END IN |
| Leg Length | 2.648 INCHES NOMINAL SECOND END IN |
| Leg Length | 4.117 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 2.500 INCHES FIRST END IN |
| Nominal Thread Size | 1.875 INCHES SECOND END IN |
| Nominal Thread Size | 2.500 INCHES FIRST END BULKHEAD IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Specification/standard Data | 81343-AS1038 GOVERNMENT STANDARD |
| Nondefinitive Spec/std Data | 1 STYLE |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A FIRST END BULKHEAD A |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 FIRST END BULKHEAD |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END BULKHEAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| 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 |
|---|---|
| AS1038D3224 PRIMARY | Sae International Dba Sae International (USA) |
| AS1038D3224 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| AS1038 | 5/1 Secondary reference Sae International Dba Sae International |
| SAE-AS4841 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS1038D3224 | 5/9 Secondary reference U.S. Government activity |
| AS1038 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-304-7553 is a Elbow,tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-304-7553 has 2 manufacturer part numbers on file: AS1038D3224 (Sae International Dba Sae International), AS1038D3224 (Sps Technologies, Llc Dba Airdrome Precision Components).
Key specifications for AS1038D3224: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: MIL-A-8625,TYPE-2,CLASS-2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED W/ GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) FIRST END. 25 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.