The Ring,lock, cataloged under National Stock Number 5365-01-009-0698, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-009-0698 |
| Primary Part Number | 042256 |
| Item Name | Ring,lock |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CORROSION RESISTING,QQ-S-764,CLASS 303 OR 203EZ,0.312 IN. THK,0.031 IN. W SAQSLOT,ONE NO. 4-4OUNC-2B THD HOLE,7/8-20UNEF-2A THD ON PERIPHERY A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 856C042256 | Northrop Grumman Systems Corporation (USA) |
| 042256 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 856C042256 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5365-01-009-0698 is a Ring,lock, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-009-0698 has 2 manufacturer part numbers on file: 856C042256 (Northrop Grumman Systems Corporation), 042256 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-408-2122. Verify interchangeability with system specifications before substitution.
Key specifications for 042256: General Characteristics Item Description: STEEL,CORROSION RESISTING,QQ-S-764,CLASS 303 OR 203EZ,0.312 IN. THK,0.031 IN. W SAQSLOT,ONE NO. 4-4OUNC-2B THD HOLE,7/8-20UNEF-2A THD ON PERIPHERY A. 1 specification is documented in the U.S. Government catalog.
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.