The O-Ring, cataloged under National Stock Number 5331-00-941-3344, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 5 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 | 5331-00-941-3344 |
| Primary Part Number | 99-4037 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Hamilton Sundstrand Corporation |
| Status | ACTIVE |
| Center Hole Diameter | 1.530 INCHES MINIMUM AND 1.550 INCHES MAXIMUM IN |
| Elongation Percentage | 200 MAXIMUM |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER SYNTHETIC |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 99-4037 PRIMARY | Hamilton Sundstrand Corporation (USA) |
| SP0560-98-M-8029 | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-00-941-3344 is a O-Ring, manufactured by Hamilton Sundstrand Corporation, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-941-3344 has 2 cross-referenced part numbers: 99-4037 (Hamilton Sundstrand Corporation), SP0560-98-M-8029 (Parker-Hannifin Corp Div O-Ring Division).
There are 2 known substitutes for 5331-00-941-3344: 5955-00-004-2029, 6240-00-944-1264. Verify interchangeability with system specifications before substitution.
Key specifications for 99-4037: Center Hole Diameter: 1.530 INCHES MINIMUM AND 1.550 INCHES MAXIMUM IN; Elongation Percentage: 200 MAXIMUM; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Material: RUBBER SYNTHETIC. 5 total characteristics are documented in the Federal Logistics Information System.