The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-625-1002, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Bailey Hardware & Hydraulic Fittings, Inc. Dba Bailey Hydraulics. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-625-1002 |
| Primary Part Number | 98-19764 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Bailey Hardware & Hydraulic Fittings, Inc. Dba Bailey Hydraulics |
| Status | ACTIVE |
| Surface Finish | 0.8 MICROMETERS THREADS |
| Surface Finish | 0.8 MICROMETERS GRIP |
| Head Height | 3.2 MILLIMETERS MINIMUM AND 3.5 MILLIMETERS MAXIMUM MM |
| Fastener Length | 19.70 MILLIMETERS MINIMUM AND 20.30 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | ASTM B633-98,TYPE II,SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 9.5 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NA0036 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 9.80 MILLIMETERS MINIMUM AND 10.20 MILLIMETERS MAXIMUM MM |
| Width Between Flats | 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Grip Diameter | 5.965 MILLIMETERS MINIMUM AND 5.990 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 1100 MEGAPASCALS |
| Material | STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | MJ |
| 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 |
|---|---|
| 98-19764 PRIMARY | Bailey Hardware & Hydraulic Fittings, Inc. Dba Bailey Hydraulics (USA) |
| Reference | Meaning |
|---|---|
| 409805 | 3/2 Design control — primary reference U.S. Government activity |
| 98-19764 | 7/2 Vendor item drawing reference Department of Defense Project Manager-Mobile Electric Power |
NSN 5306-01-625-1002 is a Bolt,close Tolerance, manufactured by Bailey Hardware & Hydraulic Fittings, Inc. Dba Bailey Hydraulics, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-625-1002 has 1 manufacturer part number on file: 98-19764 (Bailey Hardware & Hydraulic Fittings, Inc. Dba Bailey Hydraulics).
Key specifications for 98-19764: Surface Finish: 0.8 MICROMETERS THREADS; Surface Finish: 0.8 MICROMETERS GRIP; Head Height: 3.2 MILLIMETERS MINIMUM AND 3.5 MILLIMETERS MAXIMUM MM; Fastener Length: 19.70 MILLIMETERS MINIMUM AND 20.30 MILLIMETERS MAXIMUM MM. 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.