The Bolt,eccentric Head, cataloged under National Stock Number 5306-00-320-2385, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 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 | 5306-00-320-2385 |
| Primary Part Number | 211739 |
| Item Name | Bolt,eccentric Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Fastener Length | 0.930 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN |
| Distance From Centerline to Flat | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Distance From Center of Head to Center of Shank | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 7470 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 1A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.590 INCHES MINIMUM AND 0.610 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 |
|---|---|
| 211739 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5306-00-320-2385 is a Bolt,eccentric Head, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-320-2385 has 1 manufacturer part number on file: 211739 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 211739: Head Height: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Fastener Length: 0.930 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN; Distance From Centerline to Flat: 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. 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.