The Elbow,tube to Boss, cataloged under National Stock Number 4730-00-231-3987, 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 14 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through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-231-3987 |
| Primary Part Number | AS1034-0202 |
| Item Name | Elbow,tube to Boss |
| 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 | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES ALL ENDS IN |
| Leg Length | 0.765 INCHES MINIMUM AND 0.768 INCHES MAXIMUM ALL ENDS IN |
| Nominal Thread Size | 0.312 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Specification/standard Data | 81343-AS1034 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Class | 3A ALL ENDS A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| AS1034-0202 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS4841 | 5/9 Secondary reference Sae International Dba Sae International |
| AN821-2 | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| AN821-2 | 5/1 Secondary reference Aerofit, Llc |
| AN821-2 | 5/1 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| AN821-2 | 5/1 Secondary reference Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply |
| SAE-AS4841 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS4841 | 5/9 Secondary reference U.S. Government activity |
| AN821-2 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| AS1034-0202 | 5/9 Secondary reference U.S. Government activity |
| AN821-2 | 5/9 Secondary reference Crown Fitting Co Inc |
| AN821-2 | 5/9 Secondary reference U.S. Government activity |
| AN821-2 | 5/1 Secondary reference Hydro-Fitting Manufacturing Corporation |
| AN821-2 | 5/9 Secondary reference Collins Engineering Corp |
NSN 4730-00-231-3987 is a Elbow,tube to Boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-231-3987 has 1 manufacturer part number on file: AS1034-0202 (Sae International Dba Sae International).
Key specifications for AS1034-0202: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE; Connection Style: FLARED (TUBE) ALL ENDS. 14 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.