The Screw,assembled Washer, cataloged under National Stock Number 5305-00-774-4847, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Precision Aerospace Corporation Dba Precision Engine Control. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-774-4847 |
| Primary Part Number | 10-88653 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Precision Aerospace Corporation Dba Precision Engine Control |
| Status | ACTIVE |
| Head Height | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Primary Washer Outside Diameter | 0.367 INCHES NOMINAL IN |
| Thread Length | 0.562 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Primary Washer Style | SPLIT HELICAL RING |
| Primary Washer Material Thickness | 0.062 INCHES NOMINAL IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Washer Quantity | 1 |
| 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 |
|---|---|
| 10-88653 PRIMARY | Precision Aerospace Corporation Dba Precision Engine Control (USA) |
| Reference | Meaning |
|---|---|
| 10-88653 | 5/9 Secondary reference Unison Industries Llc |
| 10-88653 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5305-00-774-4847 is a Screw,assembled Washer, manufactured by Precision Aerospace Corporation Dba Precision Engine Control, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-774-4847 has 1 manufacturer part number on file: 10-88653 (Precision Aerospace Corporation Dba Precision Engine Control).
Key specifications for 10-88653: Head Height: 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Fastener Length: 1.500 INCHES NOMINAL IN; Primary Washer Outside Diameter: 0.367 INCHES NOMINAL IN; Thread Length: 0.562 INCHES MINIMUM IN. 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.