The Thumbscrew, cataloged under National Stock Number 5305-00-408-5987, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-408-5987 |
| Primary Part Number | 4037 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | CANCELLED |
| Thread Series Designator | UNF |
| Head Diameter | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Style | FLAT |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Material | STEEL COMP 303 OVERALL |
| Head Style | KNURLED NO. 1 |
| Thread Length | 0.438 INCHES MINIMUM IN |
| Thread Class | 2A A |
| Head Height | 0.188 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11361819 | Ballistic Missile Defense Systems Command (USA) |
| 4037U | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| 8L0473-28 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 860473-28 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 860473-28 | Litton Systems Inc. Div Navigation Systems Division (USA) |
| 4037 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5305-00-408-5987 is a Thumbscrew, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-408-5987 has 6 cross-referenced part numbers: 11361819 (Ballistic Missile Defense Systems Command), 4037U (Roller Bearing Co of America, Inc Div Pic Design), 8L0473-28 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 860473-28 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 860473-28 (Litton Systems Inc. Div Navigation Systems Division) and 1 more.
There are 12 known substitutes for 5305-00-408-5987: 3439-00-020-8596, 5305-00-072-3558, 5930-00-108-6911 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4037: Thread Series Designator: UNF; Head Diameter: 0.375 INCHES NOMINAL IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Point Style: FLAT. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-408-5987 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.