The O-Ring, cataloged under National Stock Number 5331-01-137-5021, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Velan Valve Corp.. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-Ring (FSG 53) |
| Manufacturers | Velan Valve Corp. (CAGE 57574) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-137-5021 |
| Primary Part Number | 1BV-3701 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-01-137-5021 is a O-Ring, manufactured by Velan Valve Corp., classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-137-5021 has 2 cross-referenced part numbers: 1BV-3701 (Velan Valve Corp.), BV-3701 (Velan Valve Corp.).
There are 2 known substitutes for 5331-01-137-5021: 5330-00-599-9546, 5330-01-219-3496. Verify interchangeability with system specifications before substitution.