The O-Ring, cataloged under National Stock Number 5331-01-511-4936, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Pratt and Whittney A/asia Pty Ltd. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-511-4936 |
| Primary Part Number | AS3209-040 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Pratt and Whittney A/asia Pty Ltd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.844 INCHES MINIMUM AND 2.884 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| AS3209-040 | Pratt and Whittney A/asia Pty Ltd (AUS) |
| AS3209-040 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| AS3209-040 | 5/9 Secondary reference U.S. Government activity |
| AS3209-040 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5331-01-511-4936 is a O-Ring, manufactured by Pratt and Whittney A/asia Pty Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-511-4936 has 2 manufacturer part numbers on file: AS3209-040 (Pratt and Whittney A/asia Pty Ltd), AS3209-040 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for AS3209-040: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 2.844 INCHES MINIMUM AND 2.884 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: PACKING PREFORMED; Material: RUBBER FLUOROCARBON CLASS FPM. 3 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.