The O-Ring, cataloged under National Stock Number 5331-01-729-4100, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The O-Ring Store Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-729-4100 |
| Primary Part Number | E2.00X042 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The O-Ring Store Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 1.92 MILLIMETERS MINIMUM AND 2.08 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 41.64 MILLIMETERS MINIMUM AND 42.36 MILLIMETERS MAXIMUM MM |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5331-01-729-4100 is a O-Ring, manufactured by The O-Ring Store Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-729-4100 has 2 manufacturer part numbers on file: E2.00X042 (The O-Ring Store Llc), 13115354 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for E2.00X042: Cross-Sectional Height: 1.92 MILLIMETERS MINIMUM AND 2.08 MILLIMETERS MAXIMUM MM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 41.64 MILLIMETERS MINIMUM AND 42.36 MILLIMETERS MAXIMUM MM; Part Name Assigned by Controlling Agency: O-RING. 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.