The Centralizer, cataloged under National Stock Number 3820-01-234-2168, is classified within Federal Supply Class 3820 (Mining, Rock Drilling, Earth Boring, and Related Equipment) of the Construction, Mining, Excavating Equipment group. The manufacturer of record is Industrial Rubber Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Centralizer |
| FSC / FSG | 3820 — Mining, Rock Drilling, Earth Boring, and Related Equipment (FSG 38) |
| Manufacturers | Industrial Rubber Inc (CAGE 09976) |
| Parameter | Value |
|---|---|
| NSN | 3820-01-234-2168 |
| Primary Part Number | 250-0054 |
| Item Name | Centralizer |
| FSC / FSG | 3820 / 38 — Mining, Rock Drilling, Earth Boring, and Related Equipment |
| Manufacturer | Industrial Rubber Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 250-0054 | Industrial Rubber Inc (USA) |
| Reference | Meaning |
|---|---|
| 250-0054 | 3/9 Design control — primary reference Star Iron Works Inc |
| FIG C-852-W-5.5IN | 5/9 Secondary reference Butler-Larkin Co Inc Sub of Valley Industries Inc |
| C-852-W-5.5IN | 5/9 Secondary reference Star Iron Works Inc |
NSN 3820-01-234-2168 is a Centralizer, manufactured by Industrial Rubber Inc, classified under FSC 3820, Mining, Rock Drilling, Earth Boring, and Related Equipment. Status: active.
NSN 3820-01-234-2168 has 1 manufacturer part number on file: 250-0054 (Industrial Rubber Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-298-4991. Verify interchangeability with system specifications before substitution.
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.