The Thumbscrew, cataloged under National Stock Number 5305-00-061-1987, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fluidgenics Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 5305-00-061-1987 |
| Primary Part Number | 61255 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Fluidgenics Inc |
| Status | ACTIVE |
| Point Style | FLAT |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303SE OVERALL |
| Head Height | 0.200 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Length | 0.450 INCHES MINIMUM IN |
| Head Style | THUMB NO. 1 |
| Fastener Length | 0.770 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Material Document and Classification | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 61255 | Fluidgenics Inc (USA) |
NSN 5305-00-061-1987 is a Thumbscrew, manufactured by Fluidgenics Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-061-1987 has 1 cross-referenced part number: 61255 (Fluidgenics Inc).
There are 6 known substitutes for 5305-00-061-1987: 1680-00-439-3119, 4820-01-140-7475, 4720-01-478-9498 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 61255: Point Style: FLAT; Thread Quantity Per Inch: 32; Material: STEEL COMP 303SE OVERALL; Head Height: 0.200 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.