The O-Ring, cataloged under National Stock Number 5331-00-070-2003, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Balcrank Products 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-070-2003 |
| Primary Part Number | 806911 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Balcrank Products Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 806911 PRIMARY | Balcrank Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 32731-8 | 5/9 Secondary reference Wheelabrator-Frye Inc Balcrank Products |
| 32731-8 | 5/9 Secondary reference Calvert Industries Inc |
| 32731-8 | 5/9 Secondary reference Balcrank Products Inc |
NSN 5331-00-070-2003 is a O-Ring, manufactured by Balcrank Products Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-070-2003 has 1 manufacturer part number on file: 806911 (Balcrank Products Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5905-00-576-8327, 6150-01-264-6776. Verify interchangeability with system specifications before substitution.
Key specifications for 806911: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; 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.