The O-Ring, cataloged under National Stock Number 5331-01-221-9660, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-221-9660 |
| Primary Part Number | 993 3654 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 5.6 MILLIMETERS MINIMUM AND 5.8 MILLIMETERS MAXIMUM MM |
| Center Hole Diameter | 128.9 MILLIMETERS MINIMUM AND 129.7 MILLIMETERS MAXIMUM MM |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 993 3654 PRIMARY | Hiab Usa Inc (USA) |
NSN 5331-01-221-9660 is a O-Ring, manufactured by Hiab Usa Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-221-9660 has 1 manufacturer part number on file: 993 3654 (Hiab Usa Inc).
Key specifications for 993 3654: Cross-Sectional Height: 5.6 MILLIMETERS MINIMUM AND 5.8 MILLIMETERS MAXIMUM MM; Center Hole Diameter: 128.9 MILLIMETERS MINIMUM AND 129.7 MILLIMETERS MAXIMUM MM; End Item Identification: HIAB CRANE HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK); Material: RUBBER SYNTHETIC. 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.