The Manifold Assembly, cataloged under National Stock Number 4920-01-480-3540, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Testek Llc Dba Testek Solutions. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4920-01-480-3540 |
| Primary Part Number | 3800-0016 |
| Item Name | Manifold Assembly |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Testek Llc Dba Testek Solutions |
| 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 |
|---|---|
| 3800-0016 PRIMARY | Testek Llc Dba Testek Solutions (USA) |
| Reference | Meaning |
|---|---|
| 3800-0016 | 3/9 Design control — primary reference Aai Corporation Div Mississippi Operations |
NSN 4920-01-480-3540 is a Manifold Assembly, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-480-3540 has 1 manufacturer part number on file: 3800-0016 (Testek Llc Dba Testek Solutions).
1 possible match (shared part number, not a government interchangeability claim): 6340-01-523-5872. Verify interchangeability with system specifications before substitution.
Key specifications for 3800-0016: Special Features: CONSISTS OF PLUG 1, P/N AN814-4; O-RING 1, P/N MS28778-4; O-RING 1, P/N 2-346N103-70; BOWL, FILTER 1, P/N 0590-0001; O-RING 1, P/N MS28778-2; ELEMENT, FILTER 1, P/N AC9516F1; PLUG 2, P/N AN814-12D; O-RING 2, P/N MS28778-12, VALVE ASSEMBLY, THROTTLE 2, P/N 6740-0009; VALVE ASSEMBLY, RELIEF 1, P/N 1A30R60S; MANIFOLD 1, P/N 3800-12; NAMEPLATE 1, P/N 3960-0218-9. 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.