The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-189-3756, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-189-3756 |
| Primary Part Number | GB510CH6V2LE |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Fastener Length | 0.704 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN |
| Thread Length | 0.569 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4967,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH THREADS |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.717 INCHES MINIMUM AND 0.760 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 |
|---|---|
| SC1777V6-2L | Howmet Global Fastening Systems Inc (USA) |
| PBF1356V6-2L | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HR216V-6-2LE | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HR216V-6-2LE | Hi-Shear Corporation (USA) |
| GB510CH6V2LE PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| PBF1356V06-2L | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| 122967V-6-2L | 5/2 Secondary reference U.S. Government activity |
| GB510CH6V2LE | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
NSN 5305-01-189-3756 is a Screw,cap,socket Head, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-189-3756 has 5 manufacturer part numbers on file: SC1777V6-2L (Howmet Global Fastening Systems Inc), PBF1356V6-2L (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), HR216V-6-2LE (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HR216V-6-2LE (Hi-Shear Corporation), GB510CH6V2LE (Northrop Grumman Systems Corporation).
Key specifications for GB510CH6V2LE: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Fastener Length: 0.704 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN; Thread Length: 0.569 INCHES MINIMUM AND 0.619 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.