The O-Ring, cataloged under National Stock Number 5331-00-599-4161, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-599-4161 |
| Primary Part Number | 831727-3 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Cross-Sectional Height | 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 831727-3 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 831727-3 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-00-599-4161 is a O-Ring, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-599-4161 has 1 manufacturer part number on file: 831727-3 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 831727-3: Cross-Sectional Height: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.