The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-133-1569, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-133-1569 |
| Primary Part Number | MB154-7D22 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.257 INCHES NOMINAL IN |
| Fastener Length | 1.818 INCHES MINIMUM AND 1.838 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.433 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN |
| Width Between Flats | 0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN |
| Grip Diameter | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.693 INCHES MINIMUM AND 1.723 INCHES MAXIMUM ALL HOLES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MB154-7D22 PRIMARY | Hi-Shear Corporation (USA) |
| PBF1265-7D22 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M744-7D22 | Heartland Precision Fasteners Inc (USA) |
| GS1015-7D22 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M744-7D22 PRIMARY | The Boeing Company Div Defense (USA) |
| VCG0001-7D22 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC687-7D22 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M744-7D22 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| MB154-7D22 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| 10115909 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| VS3174-7D22 | 5/9 Secondary reference U.S. Government activity |
| S406-7D22 | 5/9 Secondary reference U.S. Government activity |
| VS3174-7D22 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| 122895-7D22 | 3/2 Design control — primary reference U.S. Government activity |
| S406-7D22 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| ST3M744-7D22 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-01-133-1569 is a Bolt,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-133-1569 has 9 manufacturer part numbers on file: MB154-7D22 (Hi-Shear Corporation), PBF1265-7D22 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), ST3M744-7D22 (Heartland Precision Fasteners Inc), GS1015-7D22 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), ST3M744-7D22 (The Boeing Company Div Defense) and 4 more.
Key specifications for MB154-7D22: Head Height: 0.257 INCHES NOMINAL IN; Fastener Length: 1.818 INCHES MINIMUM AND 1.838 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.433 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN. 17 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.