The O-Ring, cataloged under National Stock Number 5331-00-021-2891, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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 | 5331-00-021-2891 |
| Primary Part Number | AMS-P-5510 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Center Hole Diameter | 1.042 INCHES MINIMUM AND 1.054 INCHES MAXIMUM IN |
| Elongation Percentage | 80 MAXIMUM |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Material | RUBBER SYNTHETIC |
| Cross-Sectional Height | 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2528918 | Bae Systems Land & Armaments L.p. (USA) |
| MILP5510 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AMS-P-5510 PRIMARY | Sae International Dba Sae International (USA) |
| 2528918 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| AMS-P-5510 | Society of Automotive Engineers Inc (USA) |
| SAE-AS28778 | Sae International Dba Sae International (USA) |
NSN 5331-00-021-2891 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-021-2891 has 6 cross-referenced part numbers: 2528918 (Bae Systems Land & Armaments L.p.), MILP5510 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AMS-P-5510 (Sae International Dba Sae International), 2528918 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), AMS-P-5510 (Society of Automotive Engineers Inc) and 1 more.
There are 12 known substitutes for 5331-00-021-2891: 5331-00-251-8839, 5330-00-525-0476, 5331-00-804-5694 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AMS-P-5510: Center Hole Diameter: 1.042 INCHES MINIMUM AND 1.054 INCHES MAXIMUM IN; Elongation Percentage: 80 MAXIMUM; Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Material: RUBBER SYNTHETIC. 6 total characteristics are documented in the Federal Logistics Information System.