The Bolt,shear, cataloged under National Stock Number 5306-00-281-2880, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-281-2880 |
| Primary Part Number | 3M261-6-32 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Fastener Length | 2.500 INCHES MINIMUM AND 2.547 INCHES MAXIMUM IN |
| Thread Length | 0.490 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 66051-6-32 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M261-6-32 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M261-6-32 | Lobo Ventures Ltd Dba Precision Mold & Tool-Government Division (USA) |
| AIC261M6-32 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M261-6-12 | Grimes Aerospace Company (USA) |
| VS2938-6-32 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 66051-6-32 | 5/2 Secondary reference U.S. Government activity |
| VS2938-6-32 | 5/2 Secondary reference U.S. Government activity |
| HS2601-6Z32 | 5/9 Secondary reference U.S. Government activity |
| HS2601-6Z32 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| 66051-6-32 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies Inc Unbrako Div |
| HS2601-6Z32 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-281-2880 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-281-2880 has 6 manufacturer part numbers on file: 66051-6-32 (Sps Technologies, Llc Dba PB Fasteners), 3M261-6-32 (The Boeing Company Div Defense), 3M261-6-32 (Lobo Ventures Ltd Dba Precision Mold & Tool-Government Division), AIC261M6-32 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M261-6-12 (Grimes Aerospace Company) and 1 more.
Key specifications for 3M261-6-32: Head Height: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Fastener Length: 2.500 INCHES MINIMUM AND 2.547 INCHES MAXIMUM IN; Thread Length: 0.490 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN. 14 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.