The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-135-7263, 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 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-135-7263 |
| Primary Part Number | NAS1191E06P44 |
| 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 GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN |
| Fastener Length | 2.656 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1191 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PATCH OR PELLET OR STRIP 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 | UNJC |
| Head Diameter | 0.221 INCHES MINIMUM AND 0.226 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 |
|---|---|
| NAS1191E06P44 PRIMARY | Apcom Inc (USA) |
| NAS1191E06P44 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1191E06P44 PRIMARY | Hi-Shear Corporation (USA) |
| NAS1191E06P44 PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1191E06P44 PRIMARY | Long-Lok Llc (USA) |
| NAS1191E06P44 | Plastic and Metal Products Corporation (USA) |
| NAS1191E06P44 PRIMARY | Huck International, Inc (USA) |
| NAS1191E06P44 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1191E06P44 | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1191E06P44 | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1191E06P44 | 5/9 Secondary reference U.S. Government activity |
| NAS1191E06P44 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1191E06P44 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1191E06P44 | 5/9 Secondary reference Air Industries Co Inc |
| NAS1191E06P44 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1191E06P44 | 5/9 Secondary reference F and C Sales Inc |
| NAS1191E06P44 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-135-7263 is a Screw,cap,socket Head, manufactured by Apcom Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-135-7263 has 10 manufacturer part numbers on file: NAS1191E06P44 (Apcom Inc), NAS1191E06P44 (Fastener Innovation Technology, Inc. Dba F I T), NAS1191E06P44 (Hi-Shear Corporation), NAS1191E06P44 (Nd Industries Inc Div Eastern Division), NAS1191E06P44 (Long-Lok Llc) and 5 more.
Key specifications for NAS1191E06P44: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.074 INCHES MINIMUM AND 0.086 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.