The Plug,tilt Block, cataloged under National Stock Number 4730-01-139-7071, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-139-7071 |
| Primary Part Number | 2493788 |
| Item Name | Plug,tilt Block |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,AMS4117,0.797 IN. MIN. 0.798 IN. MAX. OD,0.630 IN. MIN. 0.635 IN. ID 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 |
|---|---|
| 2493788 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 10159223 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 2493788 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-139-7071 is a Plug,tilt Block, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-139-7071 has 1 manufacturer part number on file: 2493788 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 2493788: General Characteristics Item Description: ALUMINUM ALLOY,AMS4117,0.797 IN. MIN. 0.798 IN. MAX. OD,0.630 IN. MIN. 0.635 IN. ID IN; End Item Identification: ENGINE MODEL F404-GE-400. 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.