The O-Ring, cataloged under National Stock Number 5331-01-571-0156, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Griswold Controls Llc. Government technical data includes 1 specification, 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 | 5331-01-571-0156 |
| Primary Part Number | 4924 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Griswold Controls Llc |
| Status | ACTIVE |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM |
| 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 |
|---|---|
| 4924 PRIMARY | Griswold Controls Llc (USA) |
NSN 5331-01-571-0156 is a O-Ring, manufactured by Griswold Controls Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-571-0156 has 1 manufacturer part number on file: 4924 (Griswold Controls Llc).
Key specifications for 4924: End Item Identification: 1 1/2,2,AND 2 1/2 IN. 354 SERIES AUTOMATIC FLOW CONTROL VALVES IN; Material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM. 1 specification is 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.