The Tube Assembly,metal, cataloged under National Stock Number 4710-00-604-4503, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-604-4503 |
| Primary Part Number | 74666-19 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Seat Angle in Deg | 33.0 SINGLE END33.0 SINGLE END |
| Design Form | PREBENTPREBENT |
| Mating End Quantity | 2 SINGLE END2 SINGLE END |
| Material Document and Classification | MIL-T-8504, COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE TUBINGMIL-T-8504, COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.028 INCHES NOMINAL0.028 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE ENDRIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.250 INCHES SINGLE END0.250 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT, FLARED SINGLE ENDSWIVEL NUT, FLARED SINGLE END |
| Tube Outside Diameter | 0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN |
| Thread Class | 3B SINGLE END3B SINGLE END |
| Material | STEEL COMP 304 TUBINGSTEEL COMP 304 TUBING |
| Material | STEEL SINGLE ENDSTEEL SINGLE END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE ENDUNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END |
| End Connection Spec/std | AN818-4,MS20819-4AN818-4,MS20819-4 |
| 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 |
|---|---|
| 74666-19 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 74666-19 | Service & Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 74666-19 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 74666-19 | 5/2 Secondary reference U.S. Government activity |
NSN 4710-00-604-4503 is a Tube Assembly,metal, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-604-4503 has 2 manufacturer part numbers on file: 74666-19 (Honeywell International Inc. Div Aerospace - Torrance), 74666-19 (Service & Sales Inc).
Key specifications for 74666-19: Seat Angle in Deg: 33.0 SINGLE END33.0 SINGLE END; Design Form: PREBENTPREBENT; Mating End Quantity: 2 SINGLE END2 SINGLE END; Material Document and Classification: MIL-T-8504, COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE TUBINGMIL-T-8504, COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE TUBING. 14 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.