The Thumbscrew, cataloged under National Stock Number 5305-01-531-3271, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caes Systems Llc. Government technical data includes 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-531-3271 |
| Primary Part Number | CD-105370 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Caes Systems Llc |
| Status | ACTIVE |
| Head Style | KNURLED NO. 1 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Class | 3A A |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.380 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Diameter | 0.940 INCHES NOMINAL IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | OXIDE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-01-531-3271 is a Thumbscrew, manufactured by Caes Systems Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-531-3271 has 2 cross-referenced part numbers: 105370 (Atlantic Microwave Corporation Div Cobham Electronic Systems), CD-105370 (Caes Systems Llc).
There are 6 known substitutes for 5305-01-531-3271: 5307-00-274-4762, 5998-01-181-4357, 5950-01-450-0567 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for CD-105370: Head Style: KNURLED NO. 1; Material: STEEL CORROSION RESISTING OVERALL; Thread Class: 3A A; Thread Direction: RIGHT-HAND. 15 total characteristics are documented in the Federal Logistics Information System.