The Limiting Tube,third, cataloged under National Stock Number 4530-01-051-8459, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Control Systems 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4530-01-051-8459 |
| Primary Part Number | SB-9126 |
| Item Name | Limiting Tube,third |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Control Systems Co |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL;TRAVEL TUBE THIRD STAGE |
| 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 |
|---|---|
| SB-9126 PRIMARY | Control Systems Co (USA) |
| Reference | Meaning |
|---|---|
| SB-9133 | D/9 Drawing number reference only Control Systems Co |
NSN 4530-01-051-8459 is a Limiting Tube,third, manufactured by Control Systems Co, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-051-8459 has 1 manufacturer part number on file: SB-9126 (Control Systems Co).
3 possible matches (shared part number, not a government interchangeability claim): 5365-01-051-9725, 4820-01-154-9677, 3020-01-234-2959. Verify interchangeability with system specifications before substitution.
Key specifications for SB-9126: General Characteristics Item Description: STAINLESS STEEL;TRAVEL TUBE THIRD STAGE. 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.