The Screw,close Tolerance, cataloged under National Stock Number 5305-01-491-4243, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Click Bond Inc. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-491-4243 |
| Primary Part Number | CB9350-4-11C |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Click Bond Inc |
| Status | ACTIVE |
| Fastener Length | 0.998 INCHES MINIMUM AND 1.128 INCHES MAXIMUM IN |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | 09A196-2,CAGE1W025 MFR REF SINGLE MATERIAL RESPONSE TOP OF HEAD |
| Spline Major Diameter | 0.173 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.562 INCHES NOMINAL IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORX |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | PLASTIC TOP OF HEAD |
| Material | TITANIUM ALLOY UNS R56400 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| 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 |
|---|---|
| CB9350-4-11C PRIMARY | Click Bond Inc (USA) |
| 03A519-4-11C | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
NSN 5305-01-491-4243 is a Screw,close Tolerance, manufactured by Click Bond Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-491-4243 has 2 manufacturer part numbers on file: CB9350-4-11C (Click Bond Inc), 03A519-4-11C (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for CB9350-4-11C: Fastener Length: 0.998 INCHES MINIMUM AND 1.128 INCHES MAXIMUM IN; Thread Length: 0.425 INCHES NOMINAL IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE FASTENER; Material Document and Classification: 09A196-2,CAGE1W025 MFR REF SINGLE MATERIAL RESPONSE TOP OF HEAD. 19 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.