The Ring,piston, cataloged under National Stock Number 4310-01-253-1333, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring,piston |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (CAGE 75370); Kitco Llc (CAGE 34087); Delta Hi-Tech (CAGE 1EC54); Trelleborg Sealing Solutions Us, Inc. (CAGE 09257) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-253-1333 |
| Primary Part Number | 960329-5 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 960329-5 | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| 960329-5 | Kitco Llc (USA) |
| 960329-5 | Delta Hi-Tech (USA) |
| 960329-5 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| B-1477-60 | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| Reference | Meaning |
|---|---|
| 960329-5 | 5/9 Secondary reference Comptech |
| 960329-5 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 960329-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4310-01-253-1333 is a Ring,piston, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-253-1333 has 5 manufacturer part numbers on file: 960329-5 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 960329-5 (Kitco Llc), 960329-5 (Delta Hi-Tech), 960329-5 (Trelleborg Sealing Solutions Us, Inc.), B-1477-60 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4310-01-253-1333 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.