The O-Ring, cataloged under National Stock Number 5331-00-720-2135, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-720-2135 |
| Primary Part Number | 9755-210X2PC18 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Material | RUBBER |
| Center Hole Diameter | 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9755-210X2PC18 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 5331PL0894383 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 597-515-1884386REVAPC18 | Naval Ship Systems Command (USA) |
| AN6230-12 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
NSN 5331-00-720-2135 is a O-Ring, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-720-2135 has 4 cross-referenced part numbers: 9755-210X2PC18 (Electric Boat Corporation Div General Dynamics Electric Boat), 5331PL0894383 (Jednolity Indeks Materialowy - Uniform Material Index), 597-515-1884386REVAPC18 (Naval Ship Systems Command), AN6230-12 (Aeronautical Standards Group Dept of Navy and Air Force).
There are 2 known substitutes for 5331-00-720-2135: 5331-00-194-3724, 5331-00-576-9733. Verify interchangeability with system specifications before substitution.
Key specifications for 9755-210X2PC18: Material: RUBBER; Center Hole Diameter: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.