The Elbow,boss, cataloged under National Stock Number 4730-00-929-0601, 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 11 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-929-0601 |
| Primary Part Number | AS5190K04 |
| Item Name | Elbow,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 |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Material Document and Classification | QQ-S-763,CL 316 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 0.750 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Specification/standard Data | 88044-AN939 GOVERNMENT STANDARD AND 81343-AS4875 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B ALL ENDS |
| Material | STEEL COMP 316 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 | X |
| Part Number | Manufacturer |
|---|---|
| AS5190K04 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS4875 | 5/9 Secondary reference U.S. Government activity |
| AN939C4 | 5/9 Secondary reference U.S. Government activity |
| AN939K4 | 5/9 Secondary reference U.S. Government activity |
| AS4875 | 5/9 Secondary reference Sae International Dba Sae International |
| AN939K4 | 5/9 Secondary reference Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply |
| MIL-F-5509 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS4875 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS5190K04 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-929-0601 is a Elbow,boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-929-0601 has 1 manufacturer part number on file: AS5190K04 (Sae International Dba Sae International).
Key specifications for AS5190K04: Flow Angle: 90.0 DEGREES; Connection Style: GASKET SEAL (BOSS) ALL ENDS; Connection Type: THREADED INTERNAL BOSS ALL ENDS; Material Document and Classification: QQ-S-763,CL 316 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.