The Screw,close Tolerance, cataloged under National Stock Number 5305-01-007-7063, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-007-7063 |
| Primary Part Number | GB510CE7-10 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Fastener Length | 1.075 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-8837 TY 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OR NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.440 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Grip Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Grip Diameter | 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 132000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.125 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 0.825 INCHES MINIMUM AND 0.890 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 |
|---|---|
| GB510CE7-10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GB510CE7-10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GB510CE7-10 | Hi-Shear Corporation (USA) |
| GB510CE7-10 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| SFH22D3-10 | 3/2 Design control — primary reference U.S. Government activity |
| BM19045-3-10 | 5/9 Secondary reference U.S. Government activity |
| HT8181F7-10 | 3/2 Design control — primary reference U.S. Government activity |
| GB510CE7-10 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| SFH22D3-10 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| BM19045-3-10 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5305-01-007-7063 is a Screw,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-007-7063 has 4 manufacturer part numbers on file: GB510CE7-10 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), GB510CE7-10 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), GB510CE7-10 (Hi-Shear Corporation), GB510CE7-10 (Howmet Global Fastening Systems Inc).
Key specifications for GB510CE7-10: Fastener Length: 1.075 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-8837 TY 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OR NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.440 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL. 20 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.