The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-230-8940, 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 Northrop Grumman Systems Corporation. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-230-8940 |
| Primary Part Number | GF11E0604 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3,NATURAL COLOR FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED (TUBE) FIRST END BULKHEAD |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END BULKHEAD |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | MIL-F-5509 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END BULKHEAD IN |
| Leg Length | 0.773 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.695 INCHES NOMINAL FIRST END BULKHEAD IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END BULKHEAD IN |
| Seat Angle | 37.0 DEGREES FIRST END BULKHEAD |
| Surface Treatment | CADMIUM OVERALL |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| GF11E0604 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| GF11E | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4730-01-230-8940 is a Elbow,tube to Boss, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-230-8940 has 1 manufacturer part number on file: GF11E0604 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-230-8941. Verify interchangeability with system specifications before substitution.
Key specifications for GF11E0604: Flow Angle: 45.0 DEGREES; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3,NATURAL COLOR FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED (TUBE) FIRST END BULKHEAD; Connection Style: FLARED W/ GASKET SEAL (BOSS) SECOND END. 17 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.