The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-064-4049, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nor-Cal Supply Co. Government technical data includes 22 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-064-4049 |
| Primary Part Number | NAS1190-08P28B |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nor-Cal Supply Co |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Thread Length | 1.626 INCHES MINIMUM AND 1.750 INCHES MAXIMUM 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-8844 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6414 ASSN STD 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1190 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PATCH THREADS |
| Surface Treatment | CADMIUM AND CHROMATE FASTENER |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 FASTENER |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Thread Series Designator | UNJC |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
|---|---|
| NAS1190-08P28B | Nor-Cal Supply Co (USA) |
| NAS1190-08P28B | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1190-08P28B | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1190-08P28B | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1190-08P28B | Long-Lok Llc (USA) |
| NAS1190-08P28B | Plastic and Metal Products Corporation (USA) |
| NAS1190-08P28B | Hi-Shear Corporation (USA) |
| NAS1190-08P28B | Apcom Inc (USA) |
| NAS1190-08P28B | Huck International, Inc (USA) |
| NAS1190-08P28B | Nd Industries Inc Div Eastern Division (USA) |
| Reference | Meaning |
|---|---|
| NAS1190-08P28B | 5/9 Secondary reference F and C Sales Inc |
| NAS1190-08P28B | 5/9 Secondary reference Air Industries Co Inc |
| NAS1190-08P28B | 5/2 Secondary reference U.S. Government activity |
| NAS1190-08P28B | 3/2 Design control — primary reference U.S. Government activity |
| NAS1190-08P28B | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1190-08P28B | 5/2 Secondary reference U.S. Government activity |
| NAS1190-08P28B | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1190-08P28B | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-064-4049 is a Screw,cap,socket Head, manufactured by Nor-Cal Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-064-4049 has 10 manufacturer part numbers on file: NAS1190-08P28B (Nor-Cal Supply Co), NAS1190-08P28B (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1190-08P28B (Fastener Innovation Technology, Inc. Dba F I T), NAS1190-08P28B (Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc), NAS1190-08P28B (Long-Lok Llc) and 5 more.
Key specifications for NAS1190-08P28B: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 1.688 INCHES MINIMUM AND 1.750 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.