The Spacer,plate, cataloged under National Stock Number 5365-01-059-1777, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 9 specifications, 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 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 | 5365-01-059-1777 |
| Primary Part Number | 1854718 |
| Item Name | Spacer,plate |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-N-290,TY 5,CL 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Style Designator | CIRCULAR |
| Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 4.000 INCHES MINIMUM AND 4.010 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 3.750 INCHES NOMINAL IN |
| Surface Treatment | NICKEL |
| Material | COPPER ALLOY 268 |
| Hole Diameter | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5365-01-059-1777 is a Spacer,plate, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-059-1777 has 2 manufacturer part numbers on file: 1854718 (Northrop Grumman Systems Corporation), 1854718 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-239-9672. Verify interchangeability with system specifications before substitution.
Key specifications for 1854718: Surface Treatment Document and Classification: QQ-N-290,TY 5,CL 2 FED SPEC SINGLE TREATMENT RESPONSE; Style Designator: CIRCULAR; Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 4.000 INCHES MINIMUM AND 4.010 INCHES MAXIMUM IN. 9 specifications are 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.