The Adapter,pitot Duct, cataloged under National Stock Number 4920-01-383-3555, 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 Nav-Aids Ltd. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-383-3555 |
| Primary Part Number | P18815D-4 |
| Item Name | Adapter,pitot Duct |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Nav-Aids Ltd |
| Status | ACTIVE |
| Functional Description | THIS ITEM GOES ONTO THE VARIABLE INLET; CONTROLS INLET DOORS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| P18815D-4 | Nav-Aids Ltd (CAN) |
| Reference | Meaning |
|---|---|
| P18815D-4 | 3/9 Design control — primary reference Nav Usa Inc |
NSN 4920-01-383-3555 is a Adapter,pitot Duct, manufactured by Nav-Aids Ltd, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-383-3555 has 1 manufacturer part number on file: P18815D-4 (Nav-Aids Ltd).
Key specifications for P18815D-4: Special Features: C/O SCREW (1), NAME PLATE LABEL, POWER WARNING LABEL, PITOT LABEL, RETAINING RING (1), DUST CAP ASSY (1), FITTING, SPACER (2), GLAND (2), SNUBBER, SEAL SCREW ASSY, ARM, COMPRESSION NUT, BODY; Functional Description: THIS ITEM GOES ONTO THE VARIABLE INLET; CONTROLS INLET DOORS; End Item Identification: F-15 AIRCRAFT. 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.
NSN 4920-01-383-3555 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.