The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-006-8971, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Apcom Inc. Government technical data includes 21 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-006-8971 |
| Primary Part Number | NAS1191-02P10N |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Apcom Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.044 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Fastener Length | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.558 INCHES MINIMUM AND 0.625 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-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.086 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 | CADMIUM AND CHROMATE 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 | 56 |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.136 INCHES MINIMUM AND 0.140 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 |
|---|---|
| NAS1191-02P10N PRIMARY | Apcom Inc (USA) |
| NAS1191-02P10N PRIMARY | Nor-Cal Supply Co (USA) |
| NAS1191-02P10N PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1191-02P10N PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1191-02P10N PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1191-02P10N PRIMARY | Plastic and Metal Products Corporation (USA) |
| NAS1191-02P10N PRIMARY | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1191-02P10N PRIMARY | Huck International, Inc (USA) |
| NAS1191-02P10N PRIMARY | Hi-Shear Corporation (USA) |
| NAS1191-02P10N PRIMARY | Long-Lok Llc (USA) |
| NAS1191-02P10N PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| NAS1191-02P10N | 3/2 Design control — primary reference U.S. Government activity |
| NAS1191-02P10N | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1191-02P10N | 5/9 Secondary reference Air Industries Co Inc |
| NAS1191-02P10N | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-006-8971 is a Screw,cap,socket Head, manufactured by Apcom Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-006-8971 has 11 manufacturer part numbers on file: NAS1191-02P10N (Apcom Inc), NAS1191-02P10N (Nor-Cal Supply Co), NAS1191-02P10N (Nd Industries Inc Div Eastern Division), NAS1191-02P10N (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1191-02P10N (Fastener Innovation Technology, Inc. Dba F I T) and 6 more.
Key specifications for NAS1191-02P10N: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.044 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Fastener Length: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN. 21 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.