The O-Ring, cataloged under National Stock Number 5331-00-004-1537, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Watts Automatic Control Valve Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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 | 5331-00-004-1537 |
| Primary Part Number | 0479-12 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Watts Automatic Control Valve Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| Center Hole Diameter | 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-00-004-1537 is a O-Ring, manufactured by Watts Automatic Control Valve Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-004-1537 has 4 cross-referenced part numbers: 10012-12 (Muesco Inc Dba Muesco Mallay Inc), 0012-12 (Watts Automatic Control Valve Inc), 10012-12 (Watts Automatic Control Valve Inc), 0479-12 (Watts Automatic Control Valve Inc).
There is 1 known substitute for 5331-00-004-1537: 5330-01-542-7782. Verify interchangeability with system specifications before substitution.
Key specifications for 0479-12: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Center Hole Diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.