The Adapter,tube Cleaner, cataloged under National Stock Number 4520-00-413-5026, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Thomas C. Wilson, Llc Dba Thomas C Wilson Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-413-5026 |
| Primary Part Number | 2550 |
| Item Name | Adapter,tube Cleaner |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Thomas C. Wilson, Llc Dba Thomas C Wilson Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 1.007 IN. LG; 0.750 IN. HEX SRENCHING FACILITY; 1ST END 0.438-14 UNC 1A-RH THD SIZE; 0.312 IN. THD LG; 2ND END 0.562-12 UNC 2A-RH THD SIZE; 0.500 IN. THD LG; SOLID DIA A |
| 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 |
|---|---|
| 2550 | Thomas C. Wilson, Llc Dba Thomas C Wilson Inc (USA) |
| Reference | Meaning |
|---|---|
| 2550 | 3/9 Design control — primary reference Thomas C. Wilson, Inc. Dba Thomas C Wilson |
NSN 4520-00-413-5026 is a Adapter,tube Cleaner, manufactured by Thomas C. Wilson, Llc Dba Thomas C Wilson Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-413-5026 has 1 manufacturer part number on file: 2550 (Thomas C. Wilson, Llc Dba Thomas C Wilson Inc).
Key specifications for 2550: General Characteristics Item Description: STEEL; 1.007 IN. LG; 0.750 IN. HEX SRENCHING FACILITY; 1ST END 0.438-14 UNC 1A-RH THD SIZE; 0.312 IN. THD LG; 2ND END 0.562-12 UNC 2A-RH THD SIZE; 0.500 IN. THD LG; SOLID DIA A. 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.