The O-Ring, cataloged under National Stock Number 5331-01-423-0300, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-423-0300 |
| Primary Part Number | 10736 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc |
| Status | ACTIVE |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Supplementary Features | THICKNESS: 1/16" |
| Criticality Code Justification | FEAT |
| Material | RUBBER BUTADIENE NITRILE |
| Cross-Sectional Diameter | 0.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 10736 PRIMARY | Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 24264 N PC-30D | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| F10736A | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 5331-01-423-0300 is a O-Ring, manufactured by Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-423-0300 has 1 manufacturer part number on file: 10736 (Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 7021-01-627-2260. Verify interchangeability with system specifications before substitution.
Key specifications for 10736: Outside Diameter: 0.375 INCHES NOMINAL IN; Supplementary Features: THICKNESS: 1/16"; Criticality Code Justification: FEAT; Special Features: CRITICAL SAFETY ITEM (CSI). 5 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.