The Tailpiece,union, cataloged under National Stock Number 4730-01-429-8386, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Pall Aeropower 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-429-8386 |
| Primary Part Number | AA-7684-4D16 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pall Aeropower Corporation |
| Status | ACTIVE |
| Material | COPPER ALLOY 715 |
| 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 |
|---|---|
| AC-9433-8 ITEM 15 | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| AA-7684-4D16 PRIMARY | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| AC-9433-8 | D/9 Drawing number reference only Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
NSN 4730-01-429-8386 is a Tailpiece,union, manufactured by Pall Aeropower Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-429-8386 has 2 manufacturer part numbers on file: AC-9433-8 ITEM 15 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), AA-7684-4D16 (Pall Aeropower Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-429-8389, 4330-01-431-1255. Verify interchangeability with system specifications before substitution.
Key specifications for AA-7684-4D16: End Item Identification: NIMITZ CLASS CVN; Material: COPPER ALLOY 715. 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.