The Diffusor,air, cataloged under National Stock Number 4630-00-509-9823, is classified within Federal Supply Class 4630 (Sewage Treatment Equipment) of the Water Purification and Sewage Treatment group. The manufacturer of record is Pall Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4630-00-509-9823 |
| Primary Part Number | 2MTC9730-3D35 |
| Item Name | Diffusor,air |
| FSC / FSG | 4630 / 46 — Sewage Treatment Equipment |
| Manufacturer | Pall Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CONSIST OF 1 AIR DIFFUSOR BUSHING PLASTIC 1-1/2 IN. NPT BY 1/2 IN. SLIP P/N 2MTB9730-3D3541,2 STAINLESS @STEEL CLAMPS,21-3/4 IN. RUBBER DIFFUSOR TUBINT P/N 2MTB9730-3D3501,1 PLASTIC PIPE 1/2 IN. SCH 80 BY 22-3/4 IN. LG,1 PLASTIC AIR DIFFUSOR PLUG P/N 2MTB-9730-3D3550 IN |
| 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 |
|---|---|
| 2MTC9730-3D35 PRIMARY | Pall Corporation (USA) |
| 2MTB9730-1902 | Pall Corporation (USA) |
| Reference | Meaning |
|---|---|
| 055SF | C/1 Advisory reference — outside the item-of-supply concept Wyss Inc |
| 2MTE9730-3PC34 | 5/9 Secondary reference Pall Corporation |
NSN 4630-00-509-9823 is a Diffusor,air, manufactured by Pall Corporation, classified under FSC 4630, Sewage Treatment Equipment. Status: active.
NSN 4630-00-509-9823 has 2 manufacturer part numbers on file: 2MTC9730-3D35 (Pall Corporation), 2MTB9730-1902 (Pall Corporation).
Key specifications for 2MTC9730-3D35: General Characteristics Item Description: CONSIST OF 1 AIR DIFFUSOR BUSHING PLASTIC 1-1/2 IN. NPT BY 1/2 IN. SLIP P/N 2MTB9730-3D3541,2 STAINLESS @STEEL CLAMPS,21-3/4 IN. RUBBER DIFFUSOR TUBINT P/N 2MTB9730-3D3501,1 PLASTIC PIPE 1/2 IN. SCH 80 BY 22-3/4 IN. LG,1 PLASTIC AIR DIFFUSOR PLUG P/N 2MTB-9730-3D3550 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.