The Setscrew, cataloged under National Stock Number 5305-00-040-9781, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-040-9781 |
| Primary Part Number | CS24 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Point Diameter | 0.031 INCHES NOMINAL IN |
| Width Across Flats | 0.0350 INCHES MINIMUM AND 0.0355 INCHES MAXIMUM IN |
| Point Length | 0.031 INCHES NOMINAL IN |
| Fastener Length | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Thread Length | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Material Document and Classification | QA-1000 FSCM 67177 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 56 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 8B01012 | Rockwell Collins, Inc. Dba Rc Displays Systems (USA) |
| CS24 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| 6481-354243-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 73G3033-2 | 7/2 Vendor item drawing reference Aimtron Systems, Llc |
NSN 5305-00-040-9781 is a Setscrew, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-040-9781 has 2 manufacturer part numbers on file: 8B01012 (Rockwell Collins, Inc. Dba Rc Displays Systems), CS24 (Roller Bearing Co of America, Inc Div Pic Design).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-117-3220. Verify interchangeability with system specifications before substitution.
Key specifications for CS24: Point Diameter: 0.031 INCHES NOMINAL IN; Width Across Flats: 0.0350 INCHES MINIMUM AND 0.0355 INCHES MAXIMUM IN; Point Length: 0.031 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM 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.