The Bolt,shear, cataloged under National Stock Number 5306-00-765-3354, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-765-3354 |
| Primary Part Number | MS21250-12030 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.178 INCHES NOMINAL IN |
| Head Height | 0.711 INCHES NOMINAL IN |
| Fastener Length | 2.931 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN |
| Thread Length | 1.046 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.803 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN |
| Grip Diameter | 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| MS21250-12030 | Howmet Global Fastening Systems Inc (USA) |
| MS21250-12030 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| MS21250-12030 | Huck International, Inc (USA) |
| MS21250-12030 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VAL21013-12030 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MS21250-12030 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MS21250-12030 | Hi-Shear Corporation (USA) |
| MS21250-12030 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| MS21250-12030 | 5/9 Secondary reference Mercury Aerospace Fasteners Inc |
| MS21250-12030 | 3/2 Design control — primary reference U.S. Government activity |
| MS21250-12030 | 5/9 Secondary reference U.S. Government activity |
| MS21250-12030 | 5/9 Secondary reference U.S. Government activity |
| 5306PL1029790 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MS21250-12030 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-765-3354 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-765-3354 has 8 manufacturer part numbers on file: MS21250-12030 (Howmet Global Fastening Systems Inc), MS21250-12030 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), MS21250-12030 (Huck International, Inc), MS21250-12030 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VAL21013-12030 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 3 more.
Key specifications for MS21250-12030: Extended Washer Thickness: 0.178 INCHES NOMINAL IN; Head Height: 0.711 INCHES NOMINAL IN; Fastener Length: 2.931 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.