The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-359-5300, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-359-5300 |
| Primary Part Number | 5549K31 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Measuring Method and Length | 50.0 FEET NOMINAL OVERALL FT |
| Temp Rating | -100.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Operating Pressure | 2100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Inside Diameter | 0.125 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Material | PLASTIC VINYL TUBE |
| 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 |
|---|---|
| 5549K31 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| P01195 | 7/2 Vendor item drawing reference General Atomics Aeronautical Systems, Inc. |
| 5549K11 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 4720-01-359-5300 is a Tubing,nonmetallic, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-359-5300 has 1 manufacturer part number on file: 5549K31 (Mcmaster-Carr Supply Co).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-589-0899. Verify interchangeability with system specifications before substitution.
Key specifications for 5549K31: Measuring Method and Length: 50.0 FEET NOMINAL OVERALL FT; Temp Rating: -100.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND. 9 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.