The O-Ring, cataloged under National Stock Number 5331-01-512-3720, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-512-3720 |
| Primary Part Number | 9-012-926 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Temp Rating | -29.0 CELSIUS AND 232.0 CELSIUS DEGC |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | (5F573)926 EXPLOSIVE DECOMPRESSION RESISTANT COMPOUND MFR REF SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.364 INCHES NOMINAL IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| NV822201 FIND 498 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 9-012-926 PRIMARY | Greene Tweed & Co Inc (USA) |
| NV822203 FIND 55 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| A901299-00937 | Greene Tweed & Co Inc (USA) |
NSN 5331-01-512-3720 is a O-Ring, manufactured by Greene Tweed & Co Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-512-3720 has 4 manufacturer part numbers on file: NV822201 FIND 498 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 9-012-926 (Greene Tweed & Co Inc), NV822203 FIND 55 (Hamilton Sundstrand Corporation Dba Collins Aerospace), A901299-00937 (Greene Tweed & Co Inc).
Key specifications for 9-012-926: Temp Rating: -29.0 CELSIUS AND 232.0 CELSIUS DEGC; Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: (5F573)926 EXPLOSIVE DECOMPRESSION RESISTANT COMPOUND MFR REF SINGLE MATERIAL RESPONSE. 6 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.