The O-Ring, cataloged under National Stock Number 5331-00-818-4343, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 3 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-818-4343 |
| Primary Part Number | S8057R4 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| Center Hole Diameter | 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-00-818-4343 is a O-Ring, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-818-4343 has 2 cross-referenced part numbers: S8057R4 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), S8057R4 (Honeywell International Inc. Div Aerospace - Torrance).
There is 1 known substitute for 5331-00-818-4343: 5331-00-052-9730. Verify interchangeability with system specifications before substitution.
Key specifications for S8057R4: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q; Center Hole Diameter: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.