The O-Ring, cataloged under National Stock Number 5331-00-377-0391, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-377-0391 |
| Primary Part Number | 86559 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.915 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5653 | Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA) |
| 86559 PRIMARY | Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA) |
| 5791 | Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA) |
| 709469PC8 PRIMARY | Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA) |
NSN 5331-00-377-0391 is a O-Ring, manufactured by Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-377-0391 has 4 cross-referenced part numbers: 5653 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), 86559 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), 5791 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), 709469PC8 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division).
There are 12 known substitutes for 5331-00-377-0391: 4720-00-051-9136, 5905-00-115-8162, 7520-00-286-5791 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 86559: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 0.915 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 total characteristics are documented in the Federal Logistics Information System.