The Screw,close Tolerance, cataloged under National Stock Number 5305-00-815-0664, 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 26 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-815-0664 |
| Primary Part Number | NAS1122-2H |
| 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 | 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Fastener Length | 0.386 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.276 INCHES MINIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1122 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.125 INCHES NOMINAL IN |
| Grip Diameter | 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE 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 | 32 |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Hole Quantity | 2 |
| Thread Series Designator | UNJC |
| Hole Type | DRILLED |
| Hole Diameter | 0.038 INCHES NOMINAL IN |
| Head Diameter | 0.265 INCHES MINIMUM AND 0.275 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 |
|---|---|
| NAS1122-2H PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1122-2H PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1122-2H PRIMARY | Nor-Cal Supply Co (USA) |
| NAS1122-2H PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1122-2H PRIMARY | Hi-Shear Corporation (USA) |
| NAS1122-2H PRIMARY | Plastic and Metal Products Corporation (USA) |
| NAS1122-2H PRIMARY | Huck International, Inc (USA) |
| NAS1122-2H PRIMARY | Apcom Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1122-2H | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1122-2H | 5/9 Secondary reference F and C Sales Inc |
| NAS1122-2H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1122-2H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1122-2H | 5/9 Secondary reference Air Industries Co Inc |
| NAS1122-2H | 5/9 Secondary reference U.S. Government activity |
| NAS1122-2H | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1122-2H | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-815-0664 is a Screw,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-815-0664 has 8 manufacturer part numbers on file: NAS1122-2H (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1122-2H (Qualified Air Components Inc.), NAS1122-2H (Nor-Cal Supply Co), NAS1122-2H (Fastener Innovation Technology, Inc. Dba F I T), NAS1122-2H (Hi-Shear Corporation) and 3 more.
Key specifications for NAS1122-2H: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.088 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN. 26 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.