The Elbow,boss, cataloged under National Stock Number 4730-00-929-0600, 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 Leonardo S.p.a. - Electronics Division - Defence Business Area. Government technical data includes 12 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through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-929-0600 |
| Primary Part Number | 137618599 |
| Item Name | Elbow,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Leonardo S.p.a. - Electronics Division - Defence Business Area |
| 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 | 1.359 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Specification/standard Data | 81343-AS5190 GOVERNMENT SPECIFICATION AND 81343-AS4875 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B ALL ENDS |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| 137618599 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| 1576 18 218 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| Reference | Meaning |
|---|---|
| AN939K12 | 5/9 Secondary reference U.S. Government activity |
| AN939K12 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| AN939K12 | 5/9 Secondary reference Crown Fitting Co Inc |
| AN939K12 | 5/9 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 |
| 4730PL0801107 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| AS5190 | 5/9 Secondary reference U.S. Government activity |
| AN939K12 | 5/9 Secondary reference U.S. Government activity |
| AN939K12 | 5/9 Secondary reference Collins Engineering Corp |
| AS5190K12 | 3/9 Design control — primary reference U.S. Government activity |
| AN939K12 | 5/9 Secondary reference Hydro-Fitting Manufacturing Corporation |
| AS4875 | 5/9 Secondary reference U.S. Government activity |
| 1AN939K12 | 5/9 Secondary reference Sieh Inc Dba United Plumbing |
NSN 4730-00-929-0600 is a Elbow,boss, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-929-0600 has 2 manufacturer part numbers on file: 137618599 (Leonardo S.p.a. - Electronics Division - Defence Business Area), 1576 18 218 (Leonardo S.p.a. - Electronics Division - Defence Business Area).
Key specifications for 137618599: 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. 12 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.