The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-903-2169, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-903-2169 |
| Primary Part Number | ST1166-10 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Washer Thickness | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Thread Quantity Per Inch | 28 |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Pitch Diameters | +0.2150 TO 0.2227 INCHES IN |
| Washer Outside Diameter | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Width Across Flats | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | DOUBLE HEXAGON |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 8740 OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ST1166-10 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 564706 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| LH9292-4 | Harvard Industries Inc (USA) |
| 489169 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 564705 | Bristol Industries, Llc (USA) |
| 564705 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| H29805-4 | Howmet Global Fastening Systems Inc (USA) |
| 564705 | Turbine Engine Components Textron Danville Opns Sub of Textron Inc (USA) |
| 489169 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 564705 | Howmet Global Fastening Systems Inc (USA) |
| 29605-4 | Howmet Global Fastening Systems Inc (USA) |
| 59653-428 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| B00106-4 | Bristol Industries, Llc (USA) |
| 564705 | Harvard Industries Inc (USA) |
| ST1166-10 | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA) |
| 649734 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 564705 | Esna, Llc (USA) |
| LH9292-4 | Esna, Llc (USA) |
NSN 5310-00-903-2169 is a Nut,self-Locking,extended Washer, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-903-2169 has 18 cross-referenced part numbers: ST1166-10 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 564706 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), LH9292-4 (Harvard Industries Inc), 489169 (Sps Technologies, Llc Dba PB Fasteners), 564705 (Bristol Industries, Llc) and 13 more.
There are 4 known substitutes for 5310-00-903-2169: 5310-00-199-3746, 3040-01-214-1543, 6750-01-358-0092 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for ST1166-10: Thread Direction: RIGHT-HAND; Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Washer Thickness: 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Thread Series: UNF. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-903-2169 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.