The Tube Assembly,metal, cataloged under National Stock Number 4710-01-082-3524, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-082-3524 |
| Primary Part Number | 779P540D025-1 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Material Document and Classification | MIL-T-8808, COMP 321, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-T-8808, TYPE 2, COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| End Connection Style | SWIVEL NUT, FLARE SINGLE END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 3B SINGLE END |
| Material | STEEL COMP 304 SINGLE END |
| Material | STEEL COMP 321 OR STEEL COMP 321 TUBING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END |
| End Connection Spec/std | MS20819-4J AND AN818-4J |
| 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 |
|---|---|
| 779P540D025-1 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 779P540D025-1 | 3/9 Design control — primary reference Ami Industries, Inc Div Utc Aerospace Systems |
| 779P540D025-1 | 5/9 Secondary reference Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc. |
NSN 4710-01-082-3524 is a Tube Assembly,metal, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-082-3524 has 1 manufacturer part number on file: 779P540D025-1 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 779P540D025-1: Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Material Document and Classification: MIL-T-8808, COMP 321, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-T-8808, TYPE 2, COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE TUBING; Wall Thickness: 0.035 INCHES NOMINAL IN. 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.