The O-Ring, cataloged under National Stock Number 5331-00-576-9729, 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 16 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-576-9729 |
| Primary Part Number | MS28775-347 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Center Hole Diameter | 4.210 INCHES MINIMUM AND 4.240 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 4.605 INCHES MINIMUM AND 4.685 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-347 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS28775-347 | Society of Automotive Engineers Inc (USA) |
| PRP568-347-4067-70 | Parco, Llc (USA) |
| N304-75-347 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| SR 832-75-347 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| 2-347 N304-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| MIL-P-25732 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 6227-50 | Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA) |
| MS28775-347ES | Eriks B.v. (NLD) |
| MS28775-347 | Le Joint Francais (FRA) |
| 2-347 N304-75 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| MS28775-347 PRIMARY | Sae International Dba Sae International (USA) |
| P48026-347 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| 4067-0-347 | Parco, Llc (USA) |
| 7377-347 | Parker Hannifin Corporation Div O-Ring Division (USA) |
NSN 5331-00-576-9729 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-576-9729 has 16 cross-referenced part numbers: MS28775-347 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS28775-347 (Society of Automotive Engineers Inc), PRP568-347-4067-70 (Parco, Llc), N304-75-347 (Parker-Hannifin Corp Div O-Ring Division), SAE-AS28775 (Sae International Dba Sae International) and 11 more.
There are 4 known substitutes for 5331-00-576-9729: 5330-00-359-4252, 5995-00-756-6134, 5331-01-160-4328 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-347: Center Hole Diameter: 4.210 INCHES MINIMUM AND 4.240 INCHES MAXIMUM IN; Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Outside Diameter: 4.605 INCHES MINIMUM AND 4.685 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-576-9729 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.