The Bolt,machine, cataloged under National Stock Number 5306-01-144-2188, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-144-2188 |
| Primary Part Number | 3176210-A-044 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Head Height | 0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.235 INCHES MAXIMUM0.235 INCHES MAXIMUM IN |
| Fastener Length | 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-Z-325 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-Z-325 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.514 INCHES MINIMUM AND 0.514 INCHES MINIMUM AND 0.625 INCHES MAXIMUM0.625 INCHES MAXIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL38.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.312 INCHES0.312 INCHES IN |
| Features Provided | FINISHED HEADFINISHED HEAD |
| Head Style | HEXAGONHEXAGON |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Width Between Flats | 0.484 INCHES MINIMUM AND 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM0.500 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALLZINC OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 1818 |
| Material | STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1524 OR STEEL COMP 1527 OR STEEL COMP 1536 OR STEEL COMP 1541 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 3176210-A-044 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5306-01-144-2188 is a Bolt,machine, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-144-2188 has 1 manufacturer part number on file: 3176210-A-044 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3176210-A-044: Head Height: 0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.235 INCHES MAXIMUM0.235 INCHES MAXIMUM IN; Fastener Length: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-Z-325 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-Z-325 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.514 INCHES MINIMUM AND 0.514 INCHES MINIMUM AND 0.625 INCHES MAXIMUM0.625 INCHES MAXIMUM IN. 16 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.