The Ring, cataloged under National Stock Number 5365-01-167-3972, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Ring |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (CAGE 75370); Rtx Corporation Div Pratt & Whitney (CAGE 52661); Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent (CAGE 71687); Norton Canada Inc (CAGE 09612) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-167-3972 |
| Primary Part Number | 491749 |
| Item Name | Ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 491749 PRIMARY | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| 491749 | Rtx Corporation Div Pratt & Whitney (USA) |
| 491749 PRIMARY | Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent (USA) |
| 491749 | Norton Canada Inc (CAN) |
| Reference | Meaning |
|---|---|
| 491749 | 5/9 Secondary reference American Tubular Elevator Co |
NSN 5365-01-167-3972 is a Ring, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-167-3972 has 4 manufacturer part numbers on file: 491749 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 491749 (Rtx Corporation Div Pratt & Whitney), 491749 (Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent), 491749 (Norton Canada Inc).
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.