The O-Ring, cataloged under National Stock Number 5331-01-677-9960, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Avon Protection Systems Incorporated Dba Avon Protection Systems Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-677-9960 |
| Primary Part Number | 54103 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc |
| Status | ACTIVE |
| Outside Diameter | 20.5 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 54103 PRIMARY | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc (USA) |
NSN 5331-01-677-9960 is a O-Ring, manufactured by Avon Protection Systems Incorporated Dba Avon Protection Systems Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-677-9960 has 1 manufacturer part number on file: 54103 (Avon Protection Systems Incorporated Dba Avon Protection Systems Inc).
Key specifications for 54103: Outside Diameter: 20.5 MILLIMETERS NOMINAL MM; Special Features: 2 MM MM; Part Name Assigned by Controlling Agency: O-RING. 1 specification is 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.