The Bolt,shear, cataloged under National Stock Number 5306-00-955-8237, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fairchild Fasteners Europe - Vsd Gmbh. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-955-8237 |
| Primary Part Number | MS21250-05022 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fairchild Fasteners Europe - Vsd Gmbh |
| Status | ACTIVE |
| Extended Washer Thickness | 0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN |
| Head Height | 0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN |
| Fastener Length | 1.964 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Thread Length | 0.579 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 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 | 24 |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 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 | X |
| Part Number | Manufacturer |
|---|---|
| MS21250-05022 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| MS21250-05022 | 5/9 Secondary reference Allen Mfg Co Sub of Chicago Pneumatic Tool Co |
| MS21250-05022 | 5/1 Secondary reference Aviation Spares and Repairs Ltd |
| MS21250-05022 | 5/1 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| MS21250-05022 | 5/9 Secondary reference U.S. Government activity |
| MS21250-05022 | 5/1 Secondary reference U.S. Government activity |
| MS21250-05022 | 5/1 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| VFK100G-05022 | 5/1 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| MS21250-0522 | 5/1 Secondary reference All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners |
| MS21250-05022 | 5/1 Secondary reference U.S. Government activity |
| 10467392 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MS21250-05022 | 5/9 Secondary reference Chandler Craftsman Controls |
| MS21250-05022 | 2/2 Government specification standardization U.S. Government activity |
| MS21250-05022 | 5/1 Secondary reference Howmet Global Fastening Systems Inc |
| MS21250-05022 | 5/9 Secondary reference Mercury Aerospace Fasteners Inc |
| MS21250-05022 | 5/1 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-00-955-8237 is a Bolt,shear, manufactured by Fairchild Fasteners Europe - Vsd Gmbh, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-955-8237 has 1 manufacturer part number on file: MS21250-05022 (Fairchild Fasteners Europe - Vsd Gmbh).
Key specifications for MS21250-05022: Extended Washer Thickness: 0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN; Head Height: 0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN; Fastener Length: 1.964 INCHES MINIMUM AND 1.984 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 20 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.