The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-044-3006, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Long-Lok Llc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-044-3006 |
| Primary Part Number | NAS1191E3T7N |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Long-Lok Llc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN |
| Fastener Length | 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.345 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1191 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PELLET THREADS |
| 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 | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.313 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 |
|---|---|
| NAS1191E3T7N PRIMARY | Long-Lok Llc (USA) |
| NAS1191E4T7N PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1191E3T7N PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1191E3T7N PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1191E4T7N | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| NAS1191E3T7N PRIMARY | Plastic and Metal Products Corporation (USA) |
| NAS1191E4T7N PRIMARY | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1191E3T7N PRIMARY | Huck International, Inc (USA) |
| NAS1191E4T7N PRIMARY | Hi-Shear Corporation (USA) |
| NAS1191E3T7N PRIMARY | Nor-Cal Supply Co (USA) |
| NAS1191E3T7N PRIMARY | Apcom Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1191E3T7N | 5/9 Secondary reference U.S. Government activity |
| NAS1191E3T7N | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1191E3T7N | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1191E3T7N | 3/2 Design control — primary reference U.S. Government activity |
| NAS1191E3T7N | 5/9 Secondary reference F and C Sales Inc |
| NAS1191E3T7N | 3/2 Design control — primary reference U.S. Government activity |
| NAS1191E3T7N | 5/9 Secondary reference Air Industries Co Inc |
NSN 5305-01-044-3006 is a Screw,cap,socket Head, manufactured by Long-Lok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-044-3006 has 11 manufacturer part numbers on file: NAS1191E3T7N (Long-Lok Llc), NAS1191E4T7N (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1191E3T7N (Fastener Innovation Technology, Inc. Dba F I T), NAS1191E3T7N (Nd Industries Inc Div Eastern Division), NAS1191E4T7N (Fairchild Fasteners Europe - Vsd Gmbh) and 6 more.
Key specifications for NAS1191E3T7N: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN; Fastener Length: 0.407 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN. 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.