The O-Ring, cataloged under National Stock Number 5331-01-492-7603, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Santech 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-492-7603 |
| Primary Part Number | M96-2100 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Santech Industries Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM D395 AND ASTM D471 ASSN STD SINGLE MATERIAL RESPONSE |
| Color | GREEN OR BLUE |
| Center Hole Diameter | 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| M96-2100 PRIMARY | Santech Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 13502595 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| ST7470-008 | 5/9 Secondary reference Santech Industries Inc |
NSN 5331-01-492-7603 is a O-Ring, manufactured by Santech Industries Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-492-7603 has 1 manufacturer part number on file: M96-2100 (Santech Industries Inc).
Key specifications for M96-2100: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material Document and Classification: ASTM D395 AND ASTM D471 ASSN STD SINGLE MATERIAL RESPONSE; Color: GREEN OR BLUE; Special Features: MATERIAL NEOPRENE (BLUE) AND (HNBR) HYDROGENATED NITRILE BUTADIENE RUBBER (GREEN). 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.