The O-Ring, cataloged under National Stock Number 5331-00-579-7545, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 49 commercial cross-references from 32 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-579-7545 |
| Primary Part Number | MS28775-238 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 3.730 INCHES MINIMUM AND 3.794 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1376-23-226 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| MS28775-238 | Hunt Valve Company, Inc. (USA) |
| NG14145 ITEM 92 | Air & Liquid Systems Corporation Dba Buffalo Pumps (USA) |
| 2-238 N304-75 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| 6230-16 | Control Flow, Inc. Dba Control Flow Inc (USA) |
| 002657-00 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 981012 | Terex Corp (USA) |
| PRP568-238-4067-70 | Parco, Llc (USA) |
| 2765-C ITEM 14 | Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA) |
| 399-238-72 | Zf Industrieantriebe Witten Gmbh (DEU) |
| AS568-238-MILP2 5732 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 5330005797545 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MS28775-238 | Hunt Valve Company Inc Dba Union Flonetics (USA) |
| 1446-238 | Parker-Hannifin Corporation Div O-Ring Division (USA) |
| MS28775-238 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 6230-16 | Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA) |
| 6230-16 | Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| AN6230-16 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-238N304-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-00-579-7545 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-579-7545 has 49 cross-referenced part numbers: 1376-23-226 (Leonardo S.p.a. - Electronics Division - Defence Business Area), MS28775-238 (Hunt Valve Company, Inc.), NG14145 ITEM 92 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 2-238 N304-75 (Parker Hannifin Gmbh O-Ring Division), 6230-16 (Control Flow, Inc. Dba Control Flow Inc) and 44 more.
There are 12 known substitutes for 5331-00-579-7545: 5330-00-256-0201, 2805-00-322-0530, 5305-00-356-4126 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-238: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Outside Diameter: 3.730 INCHES MINIMUM AND 3.794 INCHES MAXIMUM IN; Center Hole Diameter: 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-579-7545 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.