The O-Ring, cataloged under National Stock Number 5331-00-598-7820, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Pemco-Naval Engineering Works Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-598-7820 |
| Primary Part Number | 3035-2A PIECE 6 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Pemco-Naval Engineering Works Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.275 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| Center Hole Diameter | 9.530 INCHES NOMINAL 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 |
|---|---|
| 3035-2A PIECE 6 PRIMARY | Pemco-Naval Engineering Works Inc (USA) |
| Reference | Meaning |
|---|---|
| 1973-070PC13 | 5/9 Secondary reference Pemco-Naval Engineering Works Inc |
| 1973-070-13 | 5/9 Secondary reference Pemco-Naval Engineering Works Inc |
NSN 5331-00-598-7820 is a O-Ring, manufactured by Pemco-Naval Engineering Works Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-598-7820 has 1 manufacturer part number on file: 3035-2A PIECE 6 (Pemco-Naval Engineering Works Inc).
Key specifications for 3035-2A PIECE 6: Cross-Sectional Height: 0.275 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN; Center Hole Diameter: 9.530 INCHES NOMINAL IN; 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.