The Seal Ring,metal, cataloged under National Stock Number 5330-01-316-7716, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-316-7716 |
| Primary Part Number | 2181696 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Cross-Sectional Shape Style | INSIDE COUNTERBORE, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Inside Diameter | 1.445 INCHES NOMINAL IN |
| Radial Wall Thickness | 0.0780 INCHES MINIMUM AND 0.0880 INCHES MAXIMUM IN |
| Ring Style | CONTRACTING CONCENTRIC |
| Material | NICKEL ALLOY OVERALL |
| Metallic Hardness Rating | 32.0 NOMINAL ROCKWELL C |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2181696 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 2181696 | 5/9 Secondary reference American Tubular Elevator Co |
NSN 5330-01-316-7716 is a Seal Ring,metal, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-316-7716 has 1 manufacturer part number on file: 2181696 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 2181696: Overall Width: 0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN; Cross-Sectional Shape Style: INSIDE COUNTERBORE, STRAIGHT FACE; Joint Style: VERTICAL JOINT; Inside Diameter: 1.445 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.