The Spacer,ring, cataloged under National Stock Number 5365-01-128-5065, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-128-5065 |
| Primary Part Number | 375136 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Overall Thickness | 0.403 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Inside Diameter | 1.773 INCHES MINIMUM AND 1.783 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 375136 PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| 01-128-5065 | Marine Diesel, Inc. Dba Marine Diesel (USA) |
| Reference | Meaning |
|---|---|
| E4027ITEM159 | D/9 Drawing number reference only Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
NSN 5365-01-128-5065 is a Spacer,ring, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-128-5065 has 2 manufacturer part numbers on file: 375136 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 01-128-5065 (Marine Diesel, Inc. Dba Marine Diesel).
Key specifications for 375136: Outside Diameter: 2.000 INCHES NOMINAL IN; Overall Thickness: 0.403 INCHES NOMINAL IN; Features Provided: CASEHARDENED; Inside Diameter: 1.773 INCHES MINIMUM AND 1.783 INCHES MAXIMUM IN. 5 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.