The Ring,wearing, cataloged under National Stock Number 4320-00-858-1901, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Tyco Fire Products Lp. Government technical data includes 5 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4320-00-858-1901 |
| Primary Part Number | S7122 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Tyco Fire Products Lp |
| Status | CANCELLED |
| Body Inside Diameter | 3.810 INCHES MINIMUM AND 3.814 INCHES MAXIMUM IN |
| Corner Shape | SQUARE ALL CORNERS |
| Material | PLASTIC |
| Body Outside Diameter | 4.125 INCHES NOMINAL IN |
| Body Style | PLAIN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4320-00-858-1901 is a Ring,wearing, manufactured by Tyco Fire Products Lp, classified under FSC 4320 (No Item Name Available). Status: cancelled.
NSN 4320-00-858-1901 has 2 cross-referenced part numbers: S7122 (Tyco Fire Products Lp), 10-07122 (Tyco Fire Products Lp).
There are 4 known substitutes for 4320-00-858-1901: 5905-00-130-6478, 4730-00-752-0439, 5910-01-084-5644 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for S7122: Body Inside Diameter: 3.810 INCHES MINIMUM AND 3.814 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Material: PLASTIC; Body Outside Diameter: 4.125 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 4320-00-858-1901 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.