The Bolt,shear, cataloged under National Stock Number 5306-01-124-7693, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Eriks Southwest Inc Dba Montclair Enterprises. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-124-7693 |
| Primary Part Number | NAS1120-28D |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Eriks Southwest Inc Dba Montclair Enterprises |
| 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 | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Fastener Length | 2.693 INCHES MINIMUM AND 2.723 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.933 INCHES MINIMUM AND 0.983 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1120 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN |
| Width Between Flats | 1.801 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN |
| Grip Diameter | 1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.513 INCHES MINIMUM AND 2.563 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| NAS1120-28D PRIMARY | Eriks Southwest Inc Dba Montclair Enterprises (USA) |
| NAS1120-28D PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| NAS1120-28D | Nor-Cal Supply Co (USA) |
| NAS1120-28D PRIMARY | Hi-Shear Corporation (USA) |
| NAS1120-28D PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1120-28D PRIMARY | Apcom Inc (USA) |
| NAS1120-28D | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp (USA) |
| Reference | Meaning |
|---|---|
| NAS1120-28D | 5/9 Secondary reference U.S. Government activity |
| NAS1120-28D | 5/9 Secondary reference Air Industries Co Inc |
| NAS1120-28D | 3/2 Design control — primary reference U.S. Government activity |
| NAS1120-28D | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1120-28D | 5/9 Secondary reference F and C Sales Inc |
| NAS1120-28D | 5/9 Secondary reference Collins Engineering Corp |
NSN 5306-01-124-7693 is a Bolt,shear, manufactured by Eriks Southwest Inc Dba Montclair Enterprises, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-124-7693 has 7 manufacturer part numbers on file: NAS1120-28D (Eriks Southwest Inc Dba Montclair Enterprises), NAS1120-28D (Sps Technologies, Llc Dba PB Fasteners), NAS1120-28D (Nor-Cal Supply Co), NAS1120-28D (Hi-Shear Corporation), NAS1120-28D (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 2 more.
Key specifications for NAS1120-28D: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN. 23 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.