The O-Ring, cataloged under National Stock Number 5331-00-462-3368, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Irl Thermal Systems Ltd. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-462-3368 |
| Primary Part Number | 38417-4006 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Irl Thermal Systems Ltd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.312 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR |
| 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 |
|---|---|
| 38417-4006 PRIMARY | Irl Thermal Systems Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 1027 | 5/1 Secondary reference Irl Thermal Systems Ltd |
| 102711 | 5/9 Secondary reference Irl Thermal Systems Ltd |
NSN 5331-00-462-3368 is a O-Ring, manufactured by Irl Thermal Systems Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-462-3368 has 1 manufacturer part number on file: 38417-4006 (Irl Thermal Systems Ltd).
3 possible matches (shared part number, not a government interchangeability claim): 5305-00-958-9551, 5998-01-003-7228, 6105-01-480-3734. Verify interchangeability with system specifications before substitution.
Key specifications for 38417-4006: Cross-Sectional Height: 0.312 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-STYRENE CLASS SBR. 2 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.