The Nut Spacer,plate, cataloged under National Stock Number 5310-01-166-4544, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-166-4544 |
| Primary Part Number | 74B880053-2001 |
| Item Name | Nut Spacer,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Plate Thickness | 0.063 INCHES NOMINAL IN |
| Nut Length | 0.969 INCHES NOMINAL IN |
| Plate Width | 0.406 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Countersink Angle | 100.0 DEGREES NOMINAL |
| Material Document and Classification | MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.105 INCHES NOMINAL IN |
| Mounting Provision Location | NUT PROJECTION SIDE |
| Distance From Aperture Center to Mounting Hole Center | 0.344 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.688 INCHES NOMINAL IN |
| Thru-Hole Diameter | 0.260 INCHES NOMINAL IN |
| Surface Treatment | TIN OVERALL |
| Nut Style | PLATE NUT SPACER |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nut Mounting Provision | COUNTERSUNK 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 |
|---|---|
| 74B880053-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10109940 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-166-4544 is a Nut Spacer,plate, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-166-4544 has 1 manufacturer part number on file: 74B880053-2001 (The Boeing Company Div Defense).
Key specifications for 74B880053-2001: Plate Thickness: 0.063 INCHES NOMINAL IN; Nut Length: 0.969 INCHES NOMINAL IN; Plate Width: 0.406 INCHES NOMINAL IN; Mounting Hole Arrangement Style: 2 HOLES. 15 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.