The Screw,close Tolerance, cataloged under National Stock Number 5305-01-304-0639, 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 17 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-304-0639 |
| Primary Part Number | LD111-0047-1019 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Fastener Length | 1.950 INCHES MINIMUM AND 1.980 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.762 INCHES MINIMUM AND 0.792 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.188 INCHES NOMINAL IN |
| Grip Diameter | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| 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 | 18 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.925 INCHES NOMINAL 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 |
|---|---|
| LD111-0047-1019 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LD111-0047-1019 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LD111-0047-1019 | Howmet Global Fastening Systems Inc (USA) |
| LD111-0047-1019 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| LD111-0047-1019 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LD111-0047-1019 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| LD111-0047-1019 | 5/2 Secondary reference U.S. Government activity |
| LD111-0047-1019 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 5305-01-304-0639 is a Screw,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-304-0639 has 6 manufacturer part numbers on file: LD111-0047-1019 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), LD111-0047-1019 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), LD111-0047-1019 (Howmet Global Fastening Systems Inc), LD111-0047-1019 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), LD111-0047-1019 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 1 more.
Key specifications for LD111-0047-1019: Fastener Length: 1.950 INCHES MINIMUM AND 1.980 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.762 INCHES MINIMUM AND 0.792 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.