The O-Ring, cataloged under National Stock Number 5331-00-181-4660, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is New England Specialty Components, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-00-181-4660 |
| Primary Part Number | RS900L237 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | New England Specialty Components, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| RS900L237 | New England Specialty Components, Llc (USA) |
| Reference | Meaning |
|---|---|
| RS900L237 | 5/1 Secondary reference Dutch Valley Supply Co. |
| RS900L237 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-00-181-4660 is a O-Ring, manufactured by New England Specialty Components, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-181-4660 has 1 manufacturer part number on file: RS900L237 (New England Specialty Components, Llc).
Key specifications for RS900L237: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 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.