The O-Ring, cataloged under National Stock Number 5331-01-566-5624, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Nd Defense Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-566-5624 |
| Primary Part Number | 1837643C1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Nd Defense Llc |
| Status | ACTIVE |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Outside Diameter | 0.453 INCHES NOMINAL IN |
| Material | PLASTIC FLUOROCARBON |
| Center Hole Diameter | 0.358 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-01-566-5624 is a O-Ring, manufactured by Nd Defense Llc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-566-5624 has 2 cross-referenced part numbers: EMD-1444 (Nd Defense Llc), 1837643C1 (Nd Defense Llc).
There are 11 known substitutes for 5331-01-566-5624: 5331-01-547-4014, 5331-01-547-4611, 5331-01-547-4884 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1837643C1: Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Part Name Assigned by Controlling Agency: SEAL,O-RING 9MM X 2MM MM; Outside Diameter: 0.453 INCHES NOMINAL IN; Material: PLASTIC FLUOROCARBON. 7 total characteristics are documented in the Federal Logistics Information System.