The O-Ring, cataloged under National Stock Number 5331-01-104-5943, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rix Industries. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-104-5943 |
| Primary Part Number | B7173 ITEM 2 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Elongation Percentage | 125 MAXIMUM |
| Outside Diameter | 2.568 INCHES NOMINAL IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 2.342 INCHES MINIMUM AND 2.382 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B7173 ITEM 2 | Rix Industries (USA) |
| M83248/2-142 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 10515 ITEM 36 | Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA) |
| MIL-R-83248/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS3581 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 5331PL1260386 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| SAE-AS3581 | Sae International Dba Sae International (USA) |
| AS3581-142 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 123-142-5 | Rix Industries (USA) |
| 10515 ITEM 36 | Air Dry Co of America, Llc (USA) |
NSN 5331-01-104-5943 is a O-Ring, manufactured by Rix Industries, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-104-5943 has 10 cross-referenced part numbers: B7173 ITEM 2 (Rix Industries), M83248/2-142 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 10515 ITEM 36 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), MIL-R-83248/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS3581 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.
There are 8 known substitutes for 5331-01-104-5943: 5331-00-425-0649, 5331-01-037-3444, 5331-01-167-1586 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for B7173 ITEM 2: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Outside Diameter: 2.568 INCHES NOMINAL IN; Material: RUBBER FLUOROCARBON CLASS FPM. 6 total characteristics are documented in the Federal Logistics Information System.