The Tube,extension, cataloged under National Stock Number 4710-01-304-0153, 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 Brunson Instrument Company Dba Brunson Instrument Co. Government technical data includes 1 specification, 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-304-0153 |
| Primary Part Number | 234-20 |
| Item Name | Tube,extension |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Brunson Instrument Company Dba Brunson Instrument Co |
| Status | ACTIVE |
| General Characteristics Item Description | 20.000 IN. LG; STEEL IN |
| 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 |
|---|---|
| 234-20 PRIMARY | Brunson Instrument Company Dba Brunson Instrument Co (USA) |
NSN 4710-01-304-0153 is a Tube,extension, manufactured by Brunson Instrument Company Dba Brunson Instrument Co, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-304-0153 has 1 manufacturer part number on file: 234-20 (Brunson Instrument Company Dba Brunson Instrument Co).
2 possible matches (shared part number, not a government interchangeability claim): 4330-01-332-8675, 5305-01-436-4816. Verify interchangeability with system specifications before substitution.
Key specifications for 234-20: General Characteristics Item Description: 20.000 IN. LG; STEEL 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.