The O-Ring, cataloged under National Stock Number 5331-00-993-4671, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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 | 5331-00-993-4671 |
| Primary Part Number | 10210438-7 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Material | RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR |
| Outside Diameter | 0.495 INCHES NOMINAL IN |
| Center Hole Diameter | 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568-904 | Society of Automotive Engineers Inc (USA) |
| AS568-904 | Sae International Dba Sae International (USA) |
| 3-4E515-8 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 10210438-7 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5331-00-993-4671 is a O-Ring, manufactured by Us Army Aviation and Missile Command, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-993-4671 has 4 cross-referenced part numbers: AS568-904 (Society of Automotive Engineers Inc), AS568-904 (Sae International Dba Sae International), 3-4E515-8 (Parker-Hannifin Corp Div O-Ring Division), 10210438-7 (Us Army Aviation and Missile Command).
There are 12 known substitutes for 5331-00-993-4671: 5331-00-065-0234, 5331-00-167-5172, 5331-00-185-0366 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 10210438-7: Material: RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR; Outside Diameter: 0.495 INCHES NOMINAL IN; Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN; Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.