The Draft Control,flue,automatic, cataloged under National Stock Number 4520-00-377-0742, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-377-0742 |
| Item Name | Draft Control,flue,automatic |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | COMPONENTS,BALANCE ASSEMBLY 1,COLLAR 1,DAMPER 1,DIAL,CALIBRATED 1,POINTER,ADJUSTING 1,TEE,PIPE 1; DESIGNED FOR INSTALLATION IN ROUND PIPE,6 IN. DIA OF PIPE FOR WHICH DESIGNED; NOT DESIGNED FOR INSTALLATION IN OTHER THAN ROUND PIPE; NO SPECIAL FEATURES 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 |
|---|---|
| 6INSA | 5/9 Secondary reference Pettibone Inc Spartan Tool Div |
| B34TJ06 | 5/9 Secondary reference U.S. Government activity |
| Z34TJ06 | 5/9 Secondary reference U.S. Government activity |
| DRAFTREGULAT0R6N024GA | 5/9 Secondary reference U.S. Government activity |
| B34TJ06 | 3/9 Design control — primary reference Field Controls Co the Sub of Heico Inc |
| 6INSA | 5/9 Secondary reference Pettibone Llc |
NSN 4520-00-377-0742 is a Draft Control,flue,automatic, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-00-377-0742: General Characteristics Item Description: COMPONENTS,BALANCE ASSEMBLY 1,COLLAR 1,DAMPER 1,DIAL,CALIBRATED 1,POINTER,ADJUSTING 1,TEE,PIPE 1; DESIGNED FOR INSTALLATION IN ROUND PIPE,6 IN. DIA OF PIPE FOR WHICH DESIGNED; NOT DESIGNED FOR INSTALLATION IN OTHER THAN ROUND PIPE; NO SPECIAL FEATURES 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.