The Nut Spacer,plate, cataloged under National Stock Number 5310-00-004-5140, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-004-5140 |
| Primary Part Number | 40S225-10 |
| Item Name | Nut Spacer,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Plate Thickness | 0.125 INCHES NOMINAL IN |
| Nut Length | 1.006 INCHES MAXIMUM IN |
| Plate Width | 0.505 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.129 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Distance From Aperture Center to Mounting Hole Center | 0.356 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.716 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN |
| Thru-Hole Diameter | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Nut Style | PLATE NUT SPACER |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| 40S225-10 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 40S225-10 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 40S225-10 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 5310-00-004-5140 is a Nut Spacer,plate, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-004-5140 has 1 manufacturer part number on file: 40S225-10 (Northrop Grumman Systems Corporation).
Key specifications for 40S225-10: Plate Thickness: 0.125 INCHES NOMINAL IN; Nut Length: 1.006 INCHES MAXIMUM IN; Plate Width: 0.505 INCHES NOMINAL IN; Mounting Hole Arrangement Style: 2 HOLES. 10 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.