The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-555-4340, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairbanks Morse, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-555-4340 |
| Primary Part Number | 26049000031 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 030674-028 | Fairbanks Morse, Llc (USA) |
| 26049000031 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 26049000031 | 3/9 Design control — primary reference U.S. Government activity |
| 030674-028 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-555-4340 is a Diaphragm,valve,flat, manufactured by Fairbanks Morse, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-555-4340 has 2 manufacturer part numbers on file: 030674-028 (Fairbanks Morse, Llc), 26049000031 (Fairbanks Morse, Llc).
Key specifications for 26049000031: Special Features: USED ON 12PAB6 GROUP 4 DIESEL ENGINE; Part Name Assigned by Controlling Agency: DIAPHRAGM; End Item Identification: NEW CONSTRUCTION LHD8. 0 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.