The Screw,close Tolerance, cataloged under National Stock Number 5305-01-259-9763, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-259-9763 |
| Primary Part Number | AIC1651-3-5P |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Fastener Length | 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.363 INCHES NOMINAL IN |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1580 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 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) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3390 INCHES MINIMUM AND 0.3813 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 |
|---|---|
| AIC1651-3-5P | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| SC3103-3-5P | Howmet Global Fastening Systems Inc (USA) |
| SLB216-3-5P | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| HR239-3-5P | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| PBF1416-3-5P | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 03A173-3-5P | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| HR239-3-5P | Hi-Shear Corporation (USA) |
| BF0015HC3A-3-5 | Lfc Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 123742-3-5P | 5/2 Secondary reference U.S. Government activity |
| E008-3-5P | 5/9 Secondary reference U.S. Government activity |
| NAS1580C3T5P | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-259-9763 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-259-9763 has 8 manufacturer part numbers on file: AIC1651-3-5P (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), SC3103-3-5P (Howmet Global Fastening Systems Inc), SLB216-3-5P (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), HR239-3-5P (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), PBF1416-3-5P (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 3 more.
Key specifications for AIC1651-3-5P: Fastener Length: 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY2 CL2 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.363 INCHES NOMINAL IN; Material Document and Classification: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 19 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.