The O-Ring, cataloged under National Stock Number 5331-01-420-5128, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-420-5128 |
| Primary Part Number | 7-755-912003 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Grove U.s. Llc Dba Grove Us Llc |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | MIL-P-5510 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.915 INCHES MINIMUM AND 0.933 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 7-755-912003 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
NSN 5331-01-420-5128 is a O-Ring, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-420-5128 has 1 manufacturer part number on file: 7-755-912003 (Grove U.s. Llc Dba Grove Us Llc).
Key specifications for 7-755-912003: Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: MIL-P-5510 MIL SPEC 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.