The O-Ring, cataloged under National Stock Number 5331-01-283-2522, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-283-2522 |
| Primary Part Number | MS28775-483CPCP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 6.185 INCHES MINIMUM AND 6.265 INCHES MAXIMUM IN |
| Peripheral Diameter | 6.775 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZW |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-483CPCP | Naval Inventory Control Point Mechanicsburg (USA) |
| SAE-AS28775 | Naval Inventory Control Point Mechanicsburg (USA) |
| M83461/1-438 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| AMS-P-83461 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| AS28775-438CP | Naval Inventory Control Point Mechanicsburg (USA) |
| MS28775-483CP | Sae International Dba Sae International (USA) |
| MS28775-483 | Society of Automotive Engineers Inc (USA) |
| MS28775-483 | Sae International Dba Sae International (USA) |
NSN 5331-01-283-2522 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-283-2522 has 9 cross-referenced part numbers: MS28775-483CPCP (Naval Inventory Control Point Mechanicsburg), SAE-AS28775 (Naval Inventory Control Point Mechanicsburg), M83461/1-438 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), AMS-P-83461 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), SAE-AS28775 (Sae International Dba Sae International) and 4 more.
There is 1 known substitute for 5331-01-283-2522: 5331-01-160-4337. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-483CPCP: Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 8 total characteristics are documented in the Federal Logistics Information System.