The O-Ring, cataloged under National Stock Number 5331-01-360-4764, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Freudenberg-Nok General Partnership Dba International Seal Co Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-360-4764 |
| Primary Part Number | ST1946-128 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Freudenberg-Nok General Partnership Dba International Seal Co Inc |
| Status | ACTIVE |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-83485 MIL SPEC SINGLE MATERIAL RESPONSE |
| Temp Rating | -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Center Hole Diameter | 1.475 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ST1946-128 PRIMARY | Freudenberg-Nok General Partnership Dba International Seal Co Inc (USA) |
| M83485/1-128 | Society of Automotive Engineers Inc (USA) |
| V0835 2-128 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| ST1946-128 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| MIL-R-83485 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| ST1946-128 PRIMARY | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| M83485/1-128 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| AMS-R-83485 | Society of Automotive Engineers Inc (USA) |
| ST1946-128 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-128-V835-75 | Zf Industrieantriebe Witten Gmbh (DEU) |
| ST1946-128 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| M83485/1-128 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2-128V835-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 5331PL0658542 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 5331-01-360-4764 is a O-Ring, manufactured by Freudenberg-Nok General Partnership Dba International Seal Co Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-360-4764 has 14 cross-referenced part numbers: ST1946-128 (Freudenberg-Nok General Partnership Dba International Seal Co Inc), M83485/1-128 (Society of Automotive Engineers Inc), V0835 2-128 (Parker-Hannifin Corp Div O-Ring Division), ST1946-128 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), MIL-R-83485 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 9 more.
There are 12 known substitutes for 5331-01-360-4764: 5331-01-272-7464, 5331-01-283-0518, 5331-01-318-9115 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ST1946-128: Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Material: RUBBER FLUOROCARBON CLASS FPM; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-83485 MIL SPEC SINGLE MATERIAL RESPONSE. 6 total characteristics are documented in the Federal Logistics Information System.