The O-Ring, cataloged under National Stock Number 5331-00-988-2554, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-988-2554 |
| Primary Part Number | 71158-21 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| Temp Rating | -60.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF |
| Hardness Rating | 60.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 2.594 INCHES MINIMUM AND 2.634 INCHES MAXIMUM IN |
| Outside Diameter | 2.728 INCHES MINIMUM AND 2.780 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 71158-21 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation (USA) |
| 2-038S613-6 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 11-038-8441-60 | Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA) |
| 2-38S418-6 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-38 | C. E. Conover & Co., Inc. (USA) |
| 11-038 | Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA) |
| S0613 2-038 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-038S613-60 | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-00-988-2554 is a O-Ring, manufactured by Ge Aviation Systems Llc Dba Ge Aviation, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-988-2554 has 8 cross-referenced part numbers: 71158-21 (Ge Aviation Systems Llc Dba Ge Aviation), 2-038S613-6 (Parker-Hannifin Corp Div O-Ring Division), 11-038-8441-60 (Strohmeyer, Julie a. Dba Julie a. Strohmeyer), 2-38S418-6 (Parker-Hannifin Corp Div O-Ring Division), 2-38 (C. E. Conover & Co., Inc.) and 3 more.
There are 10 known substitutes for 5331-00-988-2554: 5133-00-189-9314, 5330-00-202-3848, 5360-00-515-0379 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 71158-21: Material: RUBBER SYNTHETIC; Temp Rating: -60.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 2.594 INCHES MINIMUM AND 2.634 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.