The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-112-7873, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-112-7873 |
| Primary Part Number | NAS1189-4T10K |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Fastener Length | 0.656 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.479 INCHES MINIMUM AND 0.581 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PELLET OR STRIP THREADS |
| 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 | 28 |
| Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OR STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.442 INCHES MINIMUM AND 0.507 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 |
|---|---|
| NAS1189-4T10K PRIMARY | Huck International, Inc (USA) |
| NAS1189-4T10K PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1189-4T10K | Plastic and Metal Products Corporation (USA) |
| NAS1189-4T10K PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1189-4T10K PRIMARY | Apcom Inc (USA) |
| NAS1189-4T10K PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1189-4T10K PRIMARY | Hi-Shear Corporation (USA) |
| NAS1189-4T10K PRIMARY | Long-Lok Llc (USA) |
| NAS1189-4T10K | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1189-4T10K | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1189-4T10K | 5/9 Secondary reference F and C Sales Inc |
| NAS1189-4T10K | 5/9 Secondary reference U.S. Government activity |
| NAS1189-4T10K | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1189-4T10K | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1189-4T10K | 3/2 Design control — primary reference U.S. Government activity |
| NAS1189-4T10K | 3/2 Design control — primary reference U.S. Government activity |
| 5305PL0783852 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NAS1189-4T10K | 5/9 Secondary reference Air Industries Co Inc |
| NAS1189-4T10K | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-112-7873 is a Screw,cap,socket Head, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-112-7873 has 10 manufacturer part numbers on file: NAS1189-4T10K (Huck International, Inc), NAS1189-4T10K (Fastener Innovation Technology, Inc. Dba F I T), NAS1189-4T10K (Plastic and Metal Products Corporation), NAS1189-4T10K (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1189-4T10K (Apcom Inc) and 5 more.
Key specifications for NAS1189-4T10K: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Fastener Length: 0.656 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE 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.