The O-Ring, cataloged under National Stock Number 5331-01-120-9550, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-120-9550 |
| Primary Part Number | AS3581-213 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Center Hole Diameter | 0.911 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Temp Rating | -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Outside Diameter | 1.199 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ARP568-213MILG2 3652TYPE2 | Zf Industrieantriebe Witten Gmbh (DEU) |
| AMS 7259 | Sae International Dba Sae International (USA) |
| 20193PC37 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A6689.213.212 | Zf Industrieantriebe Witten Gmbh (DEU) |
| AMS 7259 | Society of Automotive Engineers Inc (USA) |
| AS3581-213 PRIMARY | Sae International Dba Sae International (USA) |
| 000213EE | Zf Industrieantriebe Witten Gmbh (DEU) |
| M83248/2-213 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2246F PIECE 158 | The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company (USA) |
| MIL-R-83248/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SAE-AS3581 | Sae International Dba Sae International (USA) |
| A6689.213.212 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| ARP568-213MILG2 3652TY1 | Zf Industrieantriebe Witten Gmbh (DEU) |
| A-C180-213 | Zf Industrieantriebe Witten Gmbh (DEU) |
| D4160 ITEM 25 | Danco Valve Company (USA) |
| N90-86718 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 5331PL1261879 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| AS3581-213 | Society of Automotive Engineers Inc (USA) |
NSN 5331-01-120-9550 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-120-9550 has 18 cross-referenced part numbers: ARP568-213MILG2 3652TYPE2 (Zf Industrieantriebe Witten Gmbh), AMS 7259 (Sae International Dba Sae International), 20193PC37 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A6689.213.212 (Zf Industrieantriebe Witten Gmbh), AMS 7259 (Society of Automotive Engineers Inc) and 13 more.
There are 5 known substitutes for 5331-01-120-9550: 5331-00-495-2871, 5331-00-816-3546, 5331-01-004-7223 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS3581-213: Center Hole Diameter: 0.911 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-120-9550 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.