The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-273-2637, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-273-2637 |
| Primary Part Number | 6608955-9 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Measuring Method and Length | 1650.0 MILLIMETERS NOMINAL OVERALL MM |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Surface Condition | SMOOTH |
| Thread Class | 3B FIRST END |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| 6608955-9 | Motion & Flow Control Products, Inc. Dba Controlled Motion Solutions (USA) |
| 6608955-9 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 999 1573 | 5/9 Secondary reference Hiab Usa Inc |
| 6608955-9 | 7/1 Vendor item drawing reference Naval Sea Systems Command |
| 9991573 | 5/9 Secondary reference Hiab Limited Div Government Business Operations |
| 999-1573 | 5/9 Secondary reference Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| 999-1573 | 5/9 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| 6608955-9 | 5/9 Secondary reference U.S. Government activity |
| 9991573 | 5/9 Secondary reference Hiab Uk Ltd |
NSN 4720-01-273-2637 is a Hose Assembly,nonmetallic, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-273-2637 has 2 manufacturer part numbers on file: 6608955-9 (Motion & Flow Control Products, Inc. Dba Controlled Motion Solutions), 6608955-9 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 6608955-9: Measuring Method and Length: 1650.0 MILLIMETERS NOMINAL OVERALL MM; Connection Style: SWIVEL NUT FLARE FIRST END; End Connection Design: STRAIGHT FIRST END; Connection Type: THREADED INTERNAL TUBE FIRST END. 11 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.