The O-Ring, cataloged under National Stock Number 5331-00-133-4375, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Jonal Laboratories Inc. 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 | 5331-00-133-4375 |
| Primary Part Number | 506539 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Jonal Laboratories Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 3.150 INCHES MINIMUM AND 3.180 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5331-00-133-4375 is a O-Ring, manufactured by Jonal Laboratories Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-133-4375 has 2 cross-referenced part numbers: 506539 (Jonal Laboratories Inc), 506539 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There is 1 known substitute for 5331-00-133-4375: 4940-00-190-5164. Verify interchangeability with system specifications before substitution.
Key specifications for 506539: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 3.150 INCHES MINIMUM AND 3.180 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.