The O-Ring, cataloged under National Stock Number 5331-00-420-1970, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Harbormaster Marine, Inc. 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-420-1970 |
| Primary Part Number | 3798 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Harbormaster Marine, Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material | RUBBER |
| Center Hole Diameter | 0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ARP568-214 | Sae International Dba Sae International (USA) |
| ARP568-214 | Society of Automotive Engineers Inc (USA) |
| 028-04522 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 3798 PRIMARY | Harbormaster Marine, Inc (USA) |
NSN 5331-00-420-1970 is a O-Ring, manufactured by Harbormaster Marine, Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-420-1970 has 4 cross-referenced part numbers: ARP568-214 (Sae International Dba Sae International), ARP568-214 (Society of Automotive Engineers Inc), 028-04522 (Zf Industrieantriebe Witten Gmbh), 3798 (Harbormaster Marine, Inc).
There are 10 known substitutes for 5331-00-420-1970: 6625-00-068-0611, 4510-00-484-8492, 3439-00-602-5879 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3798: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER; Center Hole Diameter: 0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.