The Bolt,close Tolerance, cataloged under National Stock Number 5306-00-539-5698, 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 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 | 5306-00-539-5698 |
| Primary Part Number | 3MFRA584-18T |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 1.594 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR PS13421,FSCM 28980 MFR REF 2ND TREATMENT RESPONSE HEAD |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.125 INCHES NOMINAL IN |
| Grip Diameter | 0.2481 INCHES MINIMUM AND 0.2487 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR PRIMER HEAD |
| Minimum Tensile Strength | 5790 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.4640 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 3MFRA584-18T PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5306-00-539-5698 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-539-5698 has 1 manufacturer part number on file: 3MFRA584-18T (The Boeing Company Div Defense).
Key specifications for 3MFRA584-18T: Fastener Length: 1.594 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR PS13421,FSCM 28980 MFR REF 2ND TREATMENT RESPONSE HEAD; Thread Length: 0.469 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES 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.