The O-Ring, cataloged under National Stock Number 5331-00-087-6747, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Allis-Chalmers Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-087-6747 |
| Primary Part Number | 19-660-389-00PC029 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Allis-Chalmers Corp |
| Status | ACTIVE |
| Center Hole Diameter | 1.347 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Outside Diameter | 1.637 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 19-660-389-00PC029 | Allis-Chalmers Corp (USA) |
| AS568-220 | Sae International Dba Sae International (USA) |
| AS568-220 | Society of Automotive Engineers Inc (USA) |
| 19-660-389PC29 | Allis-Chalmers Corp (USA) |
NSN 5331-00-087-6747 is a O-Ring, manufactured by Allis-Chalmers Corp, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-087-6747 has 4 cross-referenced part numbers: 19-660-389-00PC029 (Allis-Chalmers Corp), AS568-220 (Sae International Dba Sae International), AS568-220 (Society of Automotive Engineers Inc), 19-660-389PC29 (Allis-Chalmers Corp).
There are 5 known substitutes for 5331-00-087-6747: 5331-00-140-7665, 5331-00-166-8411, 5331-00-536-6835 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 19-660-389-00PC029: Center Hole Diameter: 1.347 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Outside Diameter: 1.637 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.