The O-Ring, cataloged under National Stock Number 5331-00-392-0800, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hynautic Inc Div of Sta-Rite Industries Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-392-0800 |
| Primary Part Number | 211020 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Hynautic Inc Div of Sta-Rite Industries Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 211020 | Hynautic Inc Div of Sta-Rite Industries Inc (USA) |
| B251 | Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA) |
| 44-05-13-00-77 | Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA) |
| 1/2 IN BUNA BODY SEAL 44 06882 | Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA) |
NSN 5331-00-392-0800 is a O-Ring, manufactured by Hynautic Inc Div of Sta-Rite Industries Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-392-0800 has 4 cross-referenced part numbers: 211020 (Hynautic Inc Div of Sta-Rite Industries Inc), B251 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 44-05-13-00-77 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609), 1/2 IN BUNA BODY SEAL 44 06882 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609).
There are 5 known substitutes for 5331-00-392-0800: 9390-00-426-8185, 8455-00-823-7327, 5995-00-867-1422 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 211020: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 0.858 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.