The O-Ring, cataloged under National Stock Number 5331-00-409-3237, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-409-3237 |
| Primary Part Number | 030-11646 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.065 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 1.754 INCHES NOMINAL IN |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 1.578 INCHES MINIMUM AND 1.614 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 030-11646 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| AA30 | 5/9 Secondary reference U.S. Government activity |
| AS568-030 | 5/9 Secondary reference Sae International Dba Sae International |
| B63115-30 | 5/9 Secondary reference Parco, Llc |
| C007-30 | 7/2 Vendor item drawing reference U.S. Government activity |
| AS568-030 | 5/9 Secondary reference U.S. Government activity |
| 2-030L449-6 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-30L449-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-409-3237 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-409-3237 has 1 manufacturer part number on file: 030-11646 (Parker Hannifin Corporation Div O-Ring Division).
5 possible matches (shared part number, not a government interchangeability claim): 5331-00-595-6330, 5331-00-952-6615, 4320-01-237-6226. Verify interchangeability with system specifications before substitution.
Key specifications for 030-11646: Cross-Sectional Height: 0.065 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 1.754 INCHES NOMINAL IN; Elongation Percentage: 125 MAXIMUM; Center Hole Diameter: 1.578 INCHES MINIMUM AND 1.614 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.