The Tube,pressure Reduction, cataloged under National Stock Number 4710-00-602-8402, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4710-00-602-8402 |
| Item Name | Tube,pressure Reduction |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| General Characteristics Item Description | MATL STEEL PER QQ-S-763; TUBE PART NUMBER 372438-3; PLUG 1.02 IN. MIN AND 1.04 IN. MAX LONG,0.163 IN. MIN AND 0.169 IN. OD,BORE 0.088 IN. MIN AND 0.092 IN. MAX DIA BY 0.90 IN. MIN AND 0.93 IN. MAX DEEP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 372438 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 372438 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4710-00-602-8402 is a Tube,pressure Reduction, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-00-737-1193. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-00-602-8402: General Characteristics Item Description: MATL STEEL PER QQ-S-763; TUBE PART NUMBER 372438-3; PLUG 1.02 IN. MIN AND 1.04 IN. MAX LONG,0.163 IN. MIN AND 0.169 IN. OD,BORE 0.088 IN. MIN AND 0.092 IN. MAX DIA BY 0.90 IN. MIN AND 0.93 IN. MAX DEEP IN. 1 specification is 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.