The O-Ring, cataloged under National Stock Number 5331-00-057-8782, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Paxson Machine Co Lehmann/thropp Div. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-057-8782 |
| Primary Part Number | 287-1161P7 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Paxson Machine Co Lehmann/thropp Div |
| Status | ACTIVE |
| Center Hole Diameter | 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 287-1161P7 | Paxson Machine Co Lehmann/thropp Div (USA) |
| 910-8186 | Parker Hannifin Corporation Div O-Ring Division (USA) |
NSN 5331-00-057-8782 is a O-Ring, manufactured by Paxson Machine Co Lehmann/thropp Div, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-057-8782 has 2 cross-referenced part numbers: 287-1161P7 (Paxson Machine Co Lehmann/thropp Div), 910-8186 (Parker Hannifin Corporation Div O-Ring Division).
There are 2 known substitutes for 5331-00-057-8782: 5930-00-253-7450, 5920-00-556-9960. Verify interchangeability with system specifications before substitution.
Key specifications for 287-1161P7: Center Hole Diameter: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.