The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-195-6599, 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 15 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-195-6599 |
| Primary Part Number | 74A480701-2001 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Head Height | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Fastener Length | 4.783 INCHES MINIMUM AND 4.803 INCHES MAXIMUM IN |
| Thread Length | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-8844 CL3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.220 INCHES MINIMUM AND 4.240 INCHES MAXIMUM IN |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Grip Diameter | 0.6225 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL UNS K44220 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 |
|---|---|
| 74A480701-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A480701-2001 | The Boeing Company Div Services (USA) |
| 74A480701-2001 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 74A480701-2001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 74A480701-2001 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 10116138 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5306-01-195-6599 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-195-6599 has 5 manufacturer part numbers on file: 74A480701-2001 (The Boeing Company Div Defense), 74A480701-2001 (The Boeing Company Div Services), 74A480701-2001 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co), 74A480701-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 74A480701-2001 (Reid Products Inc. Dba Reid Products Inc).
Key specifications for 74A480701-2001: Surface Finish: 63.0 MICROINCHES GRIP; Head Height: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN; Fastener Length: 4.783 INCHES MINIMUM AND 4.803 INCHES MAXIMUM IN; Thread Length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN. 15 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.