The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-161-2673, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Pauli Systems, Inc. Dba Pauli Systems Inc. Government technical data includes 18 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-161-2673 |
| Primary Part Number | 553200-1 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Pauli Systems, Inc. Dba Pauli Systems Inc |
| Status | ACTIVE |
| Measuring Method and Length | 236.000 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Temp Rating | -20.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 4.000 INCHES IN |
| Connection Style | PLAIN OPTIONAL END FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED FABRIC AND OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Exterior Color | RED |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Burst Test Pressure | 800.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPS 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 |
|---|---|
| 553200-1 | Pauli Systems, Inc. Dba Pauli Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 553200 | D/9 Drawing number reference only U.S. Government activity |
| 553200-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4720-01-161-2673 is a Hose Assembly,nonmetallic, manufactured by Pauli Systems, Inc. Dba Pauli Systems Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-161-2673 has 1 manufacturer part number on file: 553200-1 (Pauli Systems, Inc. Dba Pauli Systems Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-161-5105, 4720-01-163-0194, 5998-01-519-1937. Verify interchangeability with system specifications before substitution.
Key specifications for 553200-1: Measuring Method and Length: 236.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Temp Rating: -20.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 4.000 INCHES IN; Connection Style: PLAIN OPTIONAL END FIRST END. 18 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.