The Kit,o-Ring and Screws, cataloged under National Stock Number 5331-01-541-6115, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. 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 | 5331-01-541-6115 |
| Primary Part Number | RST4281HARD |
| Item Name | Kit,o-Ring and Screws |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| Status | ACTIVE |
| Functional Description | ROLLER SWAGING TOOL REPLACEMENT KIT FOR 5120-01-541-5921 |
| 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 |
|---|---|
| RST4281HARD PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
NSN 5331-01-541-6115 is a Kit,o-Ring and Screws, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-541-6115 has 1 manufacturer part number on file: RST4281HARD (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
Key specifications for RST4281HARD: Special Features: USED FOR MS21230-12 BEARINGS; Functional Description: ROLLER SWAGING TOOL REPLACEMENT KIT FOR 5120-01-541-5921; End Item Identification: HARRIER GSE. BEARING STAKING TOOL KIT & ACCESSORIES. 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.