The Hose,nonmetallic, cataloged under National Stock Number 4720-01-398-6831, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Swagelok Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-398-6831 |
| Primary Part Number | PB-4 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND OIL RESISTANT |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4720-01-398-6831 is a Hose,nonmetallic, manufactured by Swagelok Co, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-01-398-6831 has 2 cross-referenced part numbers: PB-4 (Swagelok Co), PB-4 (Swagelok Quick-Connect Co).
There are 6 known substitutes for 4720-01-398-6831: 5950-00-116-8638, 5975-00-816-9617, 7520-01-054-4329 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for PB-4: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE; Outer Covering Environmental Protection: ABRASION RESISTANT AND OIL RESISTANT; Outside Diameter: 0.500 INCHES NOMINAL IN; Inside Diameter: 0.250 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.