The Spacer,plate, cataloged under National Stock Number 5365-01-232-3937, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-232-3937 |
| Primary Part Number | 75A581121-2001 |
| Item Name | Spacer,plate |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Material Document and Classification | QQ-A-250/5,COND T81 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 3.750 INCHES MINIMUM AND 3.810 INCHES MAXIMUM IN |
| Aperture Diameter | 2.470 INCHES MINIMUM AND 2.490 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.967 INCHES MINIMUM AND 2.973 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 75A581121-2001 PRIMARY | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| 75A581121-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 75A581121-2001 PRIMARY | Essner Manufacturing Lp (USA) |
| Reference | Meaning |
|---|---|
| 75A581121 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5365-01-232-3937 is a Spacer,plate, manufactured by Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-232-3937 has 3 manufacturer part numbers on file: 75A581121-2001 (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing), 75A581121-2001 (The Boeing Company Div Defense), 75A581121-2001 (Essner Manufacturing Lp).
Key specifications for 75A581121-2001: Style Designator: CIRCULAR; Material Document and Classification: QQ-A-250/5,COND T81 FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 3.750 INCHES MINIMUM AND 3.810 INCHES MAXIMUM IN; Aperture Diameter: 2.470 INCHES MINIMUM AND 2.490 INCHES MAXIMUM IN. 8 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.