The O-Ring, cataloged under National Stock Number 5331-01-077-4679, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-077-4679 |
| Primary Part Number | 4912-77 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| Cross-Sectional Height | 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4912-77 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
NSN 5331-01-077-4679 is a O-Ring, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-077-4679 has 1 cross-referenced part number: 4912-77 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).
There is 1 known substitute for 5331-01-077-4679: 5935-00-644-6750. Verify interchangeability with system specifications before substitution.
Key specifications for 4912-77: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Center Hole Diameter: 0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.