The O-Ring, cataloged under National Stock Number 5331-01-197-9438, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 5331-01-197-9438 |
| Primary Part Number | MS-28775-246 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Zf Industrieantriebe Witten Gmbh |
| Status | ACTIVE |
| Criticality Code Justification | ADYT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Center Hole Diameter | 4.454 INCHES MINIMUM AND 4.514 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Elongation Percentage | 160 MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS-28775-246 | Zf Industrieantriebe Witten Gmbh (DEU) |
| MS28775-246 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
NSN 5331-01-197-9438 is a O-Ring, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-197-9438 has 3 cross-referenced part numbers: MS-28775-246 (Zf Industrieantriebe Witten Gmbh), MS28775-246 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), SAE-AS28775 (Sae International Dba Sae International).
There is 1 known substitute for 5331-01-197-9438: 5331-00-585-8249. Verify interchangeability with system specifications before substitution.
Key specifications for MS-28775-246: Criticality Code Justification: ADYT; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Center Hole Diameter: 4.454 INCHES MINIMUM AND 4.514 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.