The Valve,regulating,fuel Oil, cataloged under National Stock Number 4530-00-919-7345, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4530-00-919-7345 |
| Item Name | Valve,regulating,fuel Oil |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Status | ACTIVE |
| Flow Control Device | DISK, CIRCULAR |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Thread Class | 3A A |
| First End Style Designator | INVERTED FLARE |
| Temp Rating | 100.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| End Connection Quantity | 2 |
| Manual Control Method | LEVER |
| Mounting Facility | BRACKET |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.375 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 SEAT |
| Material | COPPER ALLOY 922 BODY |
| Material | NICKEL ALLOY 400 STEM |
| Material | NICKEL ALLOY 400 FLOW CONTROL DEVICE |
| Thread Size and Series/type Designator | 0.562 UNF FIRST END |
| 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 |
|---|---|
| 45613 | D/9 Drawing number reference only U.S. Government activity |
| 3/8" CM7M-DG2-2 | 5/9 Secondary reference U.S. Government activity |
| 45613H | 3/2 Design control — primary reference U.S. Government activity |
NSN 4530-00-919-7345 is a Valve,regulating,fuel Oil, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6680-01-104-4287. Verify interchangeability with system specifications before substitution.
Key specifications for 4530-00-919-7345: Flow Control Device: DISK, CIRCULAR; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 22 specifications are 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.