The O-Ring, cataloged under National Stock Number 5331-01-033-1605, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Boeing Defence Australia Ltd. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-033-1605 |
| Primary Part Number | NAS1611-327 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Boeing Defence Australia Ltd |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.208 INCHES NOMINAL IN |
| Center Hole Diameter | 1.725 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| NAS1611-327 | Boeing Defence Australia Ltd (AUS) |
| NAS1611-327 | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| Reference | Meaning |
|---|---|
| NAS1611-327 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1613 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5331-01-033-1605 is a O-Ring, manufactured by Boeing Defence Australia Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-033-1605 has 2 manufacturer part numbers on file: NAS1611-327 (Boeing Defence Australia Ltd), NAS1611-327 (Boeing Defence Australia Ltd Div Defense, Space & Security).
Key specifications for NAS1611-327: Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.208 INCHES NOMINAL IN; Center Hole Diameter: 1.725 INCHES NOMINAL IN; Material: RUBBER CHLOROPRENE CLASS CR. 4 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.