The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-849-6872, 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 21 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-849-6872 |
| Primary Part Number | 3M143C4-4 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Plate Thickness | 0.025 INCHES NOMINAL IN |
| Nut Length | 1.292 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Precious Material | SILVER |
| Plate Width | 0.516 INCHES MAXIMUM IN |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| Nut Height | 0.469 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 3M143C4-4 | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA) |
| 3M143C4-4 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M143C4-4 | Howmet Global Fastening Systems Inc (USA) |
| 3M143C4-4 | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| HE114-0008-1008 | 5/9 Secondary reference U.S. Government activity |
| 3M143C4-4 | 5/2 Secondary reference U.S. Government activity |
| 3M143C4-4 | 5/9 Secondary reference Harvard Industries Inc |
| 13706-048-4 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 13760-048-4 | 5/9 Secondary reference U.S. Government activity |
| F1934-31-4-4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5310-00-849-6872 is a Nut,self-Locking,plate, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-849-6872 has 4 manufacturer part numbers on file: 3M143C4-4 (Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace), 3M143C4-4 (The Boeing Company Div Defense), 3M143C4-4 (Howmet Global Fastening Systems Inc), 3M143C4-4 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems).
Key specifications for 3M143C4-4: Plate Thickness: 0.025 INCHES NOMINAL IN; Nut Length: 1.292 INCHES MAXIMUM IN; Thread Series: UNF; Precious Material: SILVER. 21 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.