The O-Ring, cataloged under National Stock Number 5331-01-646-0172, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-646-0172 |
| Primary Part Number | 9452K19 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE NITRILE |
| Outside Diameter | 0.441 INCHES NOMINAL IN |
| Color | BLACK |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.301 INCHES NOMINAL IN |
| Temp Rating | -20.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-01-646-0172 is a O-Ring, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-646-0172 has 2 cross-referenced part numbers: AS568-011 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 9452K19 (Mcmaster-Carr Supply Co).
There are 9 known substitutes for 5331-01-646-0172: 5331-00-054-6925, 5331-00-090-4066, 5331-00-419-0749 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9452K19: Material: RUBBER BUTADIENE NITRILE; Part Name Assigned by Controlling Agency: O-RING; Outside Diameter: 0.441 INCHES NOMINAL IN; Color: BLACK. 9 total characteristics are documented in the Federal Logistics Information System.