The Screw,tapping, cataloged under National Stock Number 5305-00-166-3845, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unison Industries Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-166-3845 |
| Primary Part Number | 91838 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Fastener Length | 0.157 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN |
| Head Diameter | 0.219 INCHES NOMINAL IN |
| Head Style | PAN |
| Internal Drive Style | SLOT |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL OVERALL |
| Head Height | 0.068 INCHES NOMINAL IN |
| Nonmachine Nominal Thread Diameter | 0.112 INCHES IN |
| Nonmachine Thread Style | DOG TYPE (TYPE B OR C) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-166-3845 is a Screw,tapping, manufactured by Unison Industries Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-166-3845 has 2 cross-referenced part numbers: 91838 (Unison Industries, Llc Dba Unison Industries Inc), 91838 (Unison Industries Llc).
There are 5 known substitutes for 5305-00-166-3845: 5133-00-189-9283, 4730-00-203-2865, 5330-00-362-0941 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 91838: Fastener Length: 0.157 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN; Head Diameter: 0.219 INCHES NOMINAL IN; Head Style: PAN; Internal Drive Style: SLOT. 9 total characteristics are documented in the Federal Logistics Information System.