The Tee,tube to Boss, cataloged under National Stock Number 4730-00-075-1636, 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 Ssi Manufacturing Technologies Corp. Dba Ssi Manufacturing Technologies Corp. Government technical data includes 22 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-075-1636 |
| Primary Part Number | 705027-1 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ssi Manufacturing Technologies Corp. Dba Ssi Manufacturing Technologies Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OUTSIDE |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) THIRD END |
| Nominal Outside Diameter Tube Accommodated | 0.188 INCHES THIRD END IN |
| Leg Length | 0.750 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.600 INCHES MINIMUM AND 0.745 INCHES MAXIMUM SECOND END IN |
| Leg Length | 1.440 INCHES NOMINAL THIRD END IN |
| Reduced Passage Nominal Inside Diameter | 0.014 INCHES SECOND END IN |
| Nominal Thread Size | 0.375 INCHES THIRD END BULKHEAD IN |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES THIRD END |
| Surface Treatment | ANODIZE INSIDE |
| Surface Treatment | ANODIZE AND PAINT OUTSIDE |
| Thread Class | 3A THIRD END A |
| Thread Class | 3A THIRD END BULKHEAD A |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Material | ALUMINUM ALLOY OR ALUMINUM OVERALL |
| Thread Series Designator | UNF THIRD END BULKHEAD |
| Thread Series Designator | UNF 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 |
NSN 4730-00-075-1636 is a Tee,tube to Boss, manufactured by Ssi Manufacturing Technologies Corp. Dba Ssi Manufacturing Technologies Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-075-1636 has 2 manufacturer part numbers on file: 705027-1 (Ssi Manufacturing Technologies Corp. Dba Ssi Manufacturing Technologies Corp), 705027-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 705027-1: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OUTSIDE; Connection Style: GASKET SEAL (BOSS) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END. 22 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.