The Screw,close Tolerance, cataloged under National Stock Number 5305-01-113-0546, 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 22 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-113-0546 |
| Primary Part Number | NAS1124E12 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 1.051 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1124 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.365 INCHES MINIMUM AND 0.375 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 |
|---|---|
| NAS1124E12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1124E12 | Plastic and Metal Products Corporation (USA) |
| NAS1124E12 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1124E12 PRIMARY | Hi-Shear Corporation (USA) |
| NAS1124E12 PRIMARY | Huck International, Inc (USA) |
| NAS1124E12 PRIMARY | Apcom Inc (USA) |
| NAS1124E12 PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1124E12 | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1124E12 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1124E12 | 5/9 Secondary reference F and C Sales Inc |
| NAS1124E12 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1124E12 | 5/9 Secondary reference Air Industries Co Inc |
| NAS1124E12 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1124E12 | 5/9 Secondary reference U.S. Government activity |
| NAS1124E12 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1124E12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-113-0546 is a Screw,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-113-0546 has 8 manufacturer part numbers on file: NAS1124E12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1124E12 (Plastic and Metal Products Corporation), NAS1124E12 (Fastener Innovation Technology, Inc. Dba F I T), NAS1124E12 (Hi-Shear Corporation), NAS1124E12 (Huck International, Inc) and 3 more.
Key specifications for NAS1124E12: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. 22 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.