The Reducer,tube, cataloged under National Stock Number 4730-01-502-1286, 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 Sps Technologies, Llc Dba Airdrome Precision Components. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-502-1286 |
| Primary Part Number | 7M637NB-D20-12 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| 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 |
|---|---|
| 7M637NB-D20-12 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 7M637NB-D20-12 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| 7M637NB-D20-12 | The Boeing Company Div Defense (USA) |
| 7M637NB-D20-12 | Nelson Aero Space, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7M637NB-D20-12 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 7M637NB-D20-12 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
NSN 4730-01-502-1286 is a Reducer,tube, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-502-1286 has 4 manufacturer part numbers on file: 7M637NB-D20-12 (Sps Technologies, Llc Dba Airdrome Precision Components), 7M637NB-D20-12 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), 7M637NB-D20-12 (The Boeing Company Div Defense), 7M637NB-D20-12 (Nelson Aero Space, Inc.).
Key specifications for 7M637NB-D20-12: End Item Identification: FIGHTER AIRCRAFT-FIRST (F18 E/F). 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.