The O-Ring, cataloged under National Stock Number 5331-01-644-0022, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-644-0022 |
| Primary Part Number | MS28775-230 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-230 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
NSN 5331-01-644-0022 is a O-Ring, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-644-0022 has 1 cross-referenced part number: MS28775-230 (Trelleborg Sealing Solutions Us, Inc.).
There are 4 known substitutes for 5331-01-644-0022: 5331-00-982-4259, 5331-01-219-7931, 5331-01-240-5987 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-230: Special Features: NEW DESIGN FOR C-5 LANDING GEAR REPLACES NSN 5331009824259; End Item Identification: C-5 ACFT; Part Name Assigned by Controlling Agency: O-RING; Criticality Code Justification: FEAT. 4 total characteristics are documented in the Federal Logistics Information System.