The O-Ring, cataloged under National Stock Number 5331-00-476-7498, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-476-7498 |
| Primary Part Number | AS568B-278/GRM3CH714A25B34E0 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Temp Rating | -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN |
| Elongation Percentage | 331 MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 278 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 01-515-0007-4-7 8 | Zf Industrieantriebe Witten Gmbh (DEU) |
| BU00.102.0228 | Rheinmetall Expal Munitions Sa (ESP) |
| 2-278N674-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AS-568-278-B46-70 | Cross Mfg Co Inc (USA) |
| AS-568-278-B46- 70 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 0-2-5-4 | Zf Industrieantriebe Witten Gmbh (DEU) |
| N0674 2-278 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AS568B-278/GRM3CH714A25B34E0 PRIMARY | Sae International Dba Sae International (USA) |
| CM1-278-B46A | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| 0-2-3-4 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 278-B46A | Zf Industrieantriebe Witten Gmbh (DEU) |
| AS568B-278/GRM3CH714A25B34E0 | Society of Automotive Engineers Inc (USA) |
NSN 5331-00-476-7498 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-476-7498 has 13 cross-referenced part numbers: 278 (Zf Industrieantriebe Witten Gmbh), 01-515-0007-4-7 8 (Zf Industrieantriebe Witten Gmbh), BU00.102.0228 (Rheinmetall Expal Munitions Sa), 2-278N674-70 (Parker-Hannifin Corp Div O-Ring Division), AS-568-278-B46-70 (Cross Mfg Co Inc) and 8 more.
There are 6 known substitutes for 5331-00-476-7498: 5305-00-017-9837, 5331-00-291-3272, 4820-00-554-8712 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS568B-278/GRM3CH714A25B34E0: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 11.919 INCHES MINIMUM AND 12.049 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF. 7 total characteristics are documented in the Federal Logistics Information System.