The O-Ring, cataloged under National Stock Number 5331-00-579-8157, 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 29 commercial cross-references from 24 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-579-8157 |
| Primary Part Number | MS28775-327 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Center Hole Diameter | 1.715 INCHES MINIMUM AND 1.735 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 2.120 INCHES MINIMUM AND 2.170 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-327 | Kenn Borek Air Ltd Dba Kba (CAN) |
| 7377-327 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| 24821343830 | Sapa Operaciones SL (ESP) |
| 501239 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 2-327 N304-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| N304-75-327 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| SR 832-75-327 | Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX) |
| 6227-30 | Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA) |
| MILP25732 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 230079192 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| 2-327 N304-75 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| 2-327N304-75 | Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA) |
| SR 832-75-327 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| 2-327 PS1-30-5 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| PRP568-327-4067-70 | Parco, Llc (USA) |
| 0327-7377 | Trelleborg Sealing Solutions Germany Gmbh (DEU) |
| MS28775-327 | Le Joint Francais (FRA) |
| MS28775-327 | Society of Automotive Engineers Inc (USA) |
| 447-5391 | Nimikkeistokeskus Ncb Finland (FIN) |
NSN 5331-00-579-8157 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-579-8157 has 29 cross-referenced part numbers: MS28775-327 (Kenn Borek Air Ltd Dba Kba), 7377-327 (Parker Hannifin Corporation Div O-Ring Division), SAE-AS28775 (Sae International Dba Sae International), 24821343830 (Sapa Operaciones SL), 501239 (Army Weapons Command Attn Amswe-Ree-S) and 24 more.
There are 7 known substitutes for 5331-00-579-8157: 5331-00-216-8349, 5330-00-506-4011, 3820-00-586-5135 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-327: Center Hole Diameter: 1.715 INCHES MINIMUM AND 1.735 INCHES MAXIMUM IN; Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Outside Diameter: 2.120 INCHES MINIMUM AND 2.170 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-579-8157 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.