The Screw,close Tolerance, cataloged under National Stock Number 5305-00-528-5512, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-528-5512 |
| Primary Part Number | NAS1124-13 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| 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 | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 1.113 INCHES MINIMUM AND 1.143 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1124 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE 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 | 28 |
| Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.365 INCHES MINIMUM AND 0.375 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 |
|---|---|
| NAS1124-13 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1124-13 PRIMARY | Qualified Air Components Inc. (USA) |
| NAS1124-13 PRIMARY | Huck International, Inc (USA) |
| NAS1124-13 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1124-13 PRIMARY | Apcom Inc (USA) |
| NAS1124-13 PRIMARY | Hi-Shear Corporation (USA) |
| NAS1124-13 | Plastic and Metal Products Corporation (USA) |
| NAS1124-13 | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1124-13 | 5/9 Secondary reference U.S. Government activity |
| NAS1124-13 | 5/9 Secondary reference F and C Sales Inc |
| NAS1124-13 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1124-13 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1124-13 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1124-13 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1124-13 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1124-13 | 5/9 Secondary reference Air Industries Co Inc |
NSN 5305-00-528-5512 is a Screw,close Tolerance, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-528-5512 has 8 manufacturer part numbers on file: NAS1124-13 (Fastener Innovation Technology, Inc. Dba F I T), NAS1124-13 (Qualified Air Components Inc.), NAS1124-13 (Huck International, Inc), NAS1124-13 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1124-13 (Apcom Inc) and 3 more.
Key specifications for NAS1124-13: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.133 INCHES MINIMUM AND 0.150 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.