The Screw,shoulder, cataloged under National Stock Number 5305-01-477-9708, 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 17 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-477-9708 |
| Primary Part Number | CB9240-3-8C |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Click Bond Inc |
| Status | ACTIVE |
| Fastener Length | 0.845 INCHES MAXIMUM IN |
| Shoulder Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM ALL SHOULDERS IN |
| Shoulder Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.345 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | 6AL-4VTITANIUMALLOYPERAMS4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 3180 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 | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.328 INCHES MINIMUM AND 0.385 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 |
|---|---|
| 03A509-3-8C | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| CB9240-3-8C PRIMARY | Click Bond Inc (USA) |
| Reference | Meaning |
|---|---|
| 03A509-3-8C | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| 03A509-3-8C | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| 03A509-3-8C | 5/9 Secondary reference U.S. Government activity |
| 03A509-3-8C | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 03A509-3-8C | 5/9 Secondary reference Sps Technologies Inc |
| 03A509 | D/9 Drawing number reference only Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| 03A509-3-8C | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5305-01-477-9708 is a Screw,shoulder, manufactured by Click Bond Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-477-9708 has 2 manufacturer part numbers on file: 03A509-3-8C (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), CB9240-3-8C (Click Bond Inc).
Key specifications for CB9240-3-8C: Fastener Length: 0.845 INCHES MAXIMUM IN; Shoulder Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM ALL SHOULDERS IN; Shoulder Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM FIRST SHOULDER IN; Thread Length: 0.345 INCHES MAXIMUM IN. 17 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.