The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-396-5196, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-396-5196 |
| Primary Part Number | 83661-8 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE II COLOR GRAY MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Nominal Overall Length | 1.011 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Operating Pressure | 170.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.937 INCHES FIRST END IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 2A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UNF SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-01-396-5196 is a Adapter,straight,tube to Boss, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-396-5196 has 2 manufacturer part numbers on file: 83661-8 (Transdigm Inc Div Adelwiggins Group), GA500BY8 (Northrop Grumman Systems Corporation).
Key specifications for 83661-8: Surface Treatment Document and Classification: MIL-A-8625,TYPE II COLOR GRAY MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: GASKET SEAL (TUBE) FIRST END; Nominal Overall Length: 1.011 INCHES IN. 18 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.