The O-Ring, cataloged under National Stock Number 5331-01-277-0156, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Butterworth, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-Ring (FSG 53) |
| Manufacturers | Butterworth, Inc. (CAGE 71251) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-277-0156 |
| Primary Part Number | K75 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Butterworth, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| K75 PRIMARY | Butterworth, Inc. (USA) |
NSN 5331-01-277-0156 is a O-Ring, manufactured by Butterworth, Inc., classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-277-0156 has 1 cross-referenced part number: K75 (Butterworth, Inc.).
There are 2 known substitutes for 5331-01-277-0156: 4820-00-807-5020, 5975-00-953-8813. Verify interchangeability with system specifications before substitution.