The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-902-8690, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-902-8690 |
| Primary Part Number | ZA17-1200-048 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Plate Thickness | 0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Nut Length | 1.023 INCHES NOMINAL IN |
| Thread Series | UNF |
| Precious Material | SILVER |
| Plate Width | 0.454 INCHES NOMINAL IN |
| Temp Rating | 1200.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AISI347 ASSN STD 1ST MATERIAL RESPONSE OR AMS5642 ASSN STD 2ND MATERIAL RESPONSE OR AMS5642 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.344 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Nut Height | 0.396 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 347 OR STEEL UNS S34720 OR STEEL UNS S34723 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 |
|---|---|
| ZA17-1200-048 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| ZA17-1200-048 | 5/9 Secondary reference Harvard Industries Inc |
| 1406023 | 5/9 Secondary reference Rolls-Royce Plc (aero Division) |
| 1406023 | 5/9 Secondary reference Rolls-Royce Plc Div Defense (europe) |
NSN 5310-00-902-8690 is a Nut,self-Locking,plate, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-902-8690 has 1 manufacturer part number on file: ZA17-1200-048 (Esna, Llc).
Key specifications for ZA17-1200-048: Plate Thickness: 0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Nut Length: 1.023 INCHES NOMINAL 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.