The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-182-9531, 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 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-182-9531 |
| Primary Part Number | NAS1191E3P6N |
| 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 | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.282 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Hardness Rating | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| 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 |
| Locking Feature | PELLET THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| 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 | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS1191E3P6N | Nor-Cal Supply Co (USA) |
| NAS1191E3P6N | Long-Lok Llc (USA) |
| NAS1191E3P6N | Plastic and Metal Products Corporation (USA) |
| NAS1191E3P6N | Hi-Shear Corporation (USA) |
| NAS1191E3P6N | Nd Industries Inc Div Eastern Division (USA) |
| NAS1191E3P6N | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1191E3P6N | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1191E3P6N | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1191E3P6N | Apcom Inc (USA) |
| NAS1191E3P6N | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1191E3P6N | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1191E3P6N | 5/9 Secondary reference U.S. Government activity |
| NAS1191EP6N | 5/9 Secondary reference F and C Sales Inc |
| NAS1191E3P6N | 3/2 Design control — primary reference U.S. Government activity |
| NAS1191E3P6N | 5/2 Secondary reference U.S. Government activity |
| NAS1191E3P6N | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1191E3P6N | 5/9 Secondary reference Air Industries Co Inc |
NSN 5305-00-182-9531 is a Screw,cap,socket Head, manufactured by Nor-Cal Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-182-9531 has 10 manufacturer part numbers on file: NAS1191E3P6N (Nor-Cal Supply Co), NAS1191E3P6N (Long-Lok Llc), NAS1191E3P6N (Plastic and Metal Products Corporation), NAS1191E3P6N (Hi-Shear Corporation), NAS1191E3P6N (Nd Industries Inc Div Eastern Division) and 5 more.
Key specifications for NAS1191E3P6N: 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: 0.344 INCHES MINIMUM AND 0.375 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.