The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-626-8461, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 15 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-626-8461 |
| Primary Part Number | 551-7015429-F250L1 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Measuring Method and Length | 19.0 INCHES NOMINAL OVERALL IN |
| Connection Style | PLAIN OPTIONAL END ALL ENDS |
| End Connection Design | STRAIGHT FIRST END |
| Criticality Code Justification | ZZZY |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 6000.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Nominal Thread Size | 1.750 INCHES FIRST END IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Burst Test Pressure | 24000.00 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UN FIRST END |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 551-7015429-F250L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H917-3301 ITEM 188L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H765-3902-F251L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H917-3301 ITEM 187L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 551-7015429-F214L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H765-3902-F250L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6884-1-0190-0190L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 211041994L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H765-3902-F214L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 505-7015982 ITEM 187L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 6681-1-0190-0190L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 505-7015982 ITEM 188L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 505-7015982 ITEM 189L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H917-3301 ITEM 189L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 551-7015429-F251L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 551-7015429-F251 | 5/1 Secondary reference Naval Sea Systems Command |
| 6884-1-0190-0190 | 3/1 Design control — primary reference Transdigm Inc Div Adelwiggins Group |
| 505-7015982 ITEM 188 | 5/1 Secondary reference Naval Sea Systems Command |
| H765-3902-F214 | 5/1 Secondary reference U.S. Government activity |
| 505-7015982 ITEM 187 | 5/1 Secondary reference Naval Sea Systems Command |
| 551-7015429-F250 | 5/1 Secondary reference Naval Sea Systems Command |
| H917-3301 ITEM 189 | 5/1 Secondary reference U.S. Government activity |
| 551-7015429-F214 | 5/1 Secondary reference Naval Sea Systems Command |
| H765-3902-F251 | 5/1 Secondary reference U.S. Government activity |
| H765-3902-F250 | 5/1 Secondary reference U.S. Government activity |
| H917-3301 ITEM 188 | 5/1 Secondary reference U.S. Government activity |
| H917-3301 ITEM 187 | 5/1 Secondary reference U.S. Government activity |
| 505-7015982 ITEM 189 | 5/1 Secondary reference Naval Sea Systems Command |
| 211041994 | 5/1 Secondary reference U.S. Government activity |
| 6681-1-0190-0190 | 5/1 Secondary reference U.S. Government activity |
NSN 4720-01-626-8461 is a Hose Assembly,metallic, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-626-8461 has 15 manufacturer part numbers on file: 551-7015429-F250L1 (Naval Inventory Control Point Mechanicsburg), H917-3301 ITEM 188L1 (Naval Inventory Control Point Mechanicsburg), H765-3902-F251L1 (Naval Inventory Control Point Mechanicsburg), H917-3301 ITEM 187L1 (Naval Inventory Control Point Mechanicsburg), 551-7015429-F214L1 (Naval Inventory Control Point Mechanicsburg) and 10 more.
Key specifications for 551-7015429-F250L1: Measuring Method and Length: 19.0 INCHES NOMINAL OVERALL IN; Connection Style: PLAIN OPTIONAL END ALL ENDS; End Connection Design: STRAIGHT FIRST END; Criticality Code Justification: ZZZY. 13 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.