The O-Ring, cataloged under National Stock Number 5331-01-670-1691, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-670-1691 |
| Primary Part Number | ST1946-910 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | ITEM IS FAA CERTIFIED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ST1946-910 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5331-01-670-1691 is a O-Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-670-1691 has 1 cross-referenced part number: ST1946-910 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There is 1 known substitute for 5331-01-670-1691: 5331-01-477-7363. Verify interchangeability with system specifications before substitution.
Key specifications for ST1946-910: Reference Number Differentiating Characteristics: ITEM IS FAA CERTIFIED; End Item Identification: KC-46A AIRCRAFT A. 2 total characteristics are documented in the Federal Logistics Information System.