PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3720Bolt,assembled Washer

Ramset Ltd · NSN 5306-01-075-8511 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-075-8511 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-075-8511. Primary manufacturer part number: 3720.
Features
  • Bolt,assembled Washer — FSC 5306
  • Washer Quantity: 1
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 3A A
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 18
  • Head Style: HEXAGON EXTENDED WASHER
  • Nominal Thread Diameter: 0.312 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Bolt,assembled Washer, cataloged under National Stock Number 5306-01-075-8511, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ramset Ltd. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-075-8511
Primary Part Number3720
Item NameBolt,assembled Washer
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRamset Ltd
StatusACTIVE
Washer Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class3A A
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch18
Head StyleHEXAGON EXTENDED WASHER
Nominal Thread Diameter0.312 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6145-00-066-8640 INTERCHANGEABLE
Braid,wire
3110-00-100-03763720 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5120-00-184-86523717 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
2530-00-192-8749 INTERCHANGEABLE
Cylinder,hydraulic Brake,wheel
4730-00-203-9462 INTERCHANGEABLE
Coupling Assembly,quick Disconne
5975-00-280-91853717 INTERCHANGEABLE
Reducing Washer,knockout
Abb Installation Products Inc
4820-00-289-4383022-03836 INTERCHANGEABLE
Valve,angle
Johnson Controls Navy Systems, Llc
5305-00-292-89523720 INTERCHANGEABLE
Screw,cap,hexagon Head
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5120-00-293-1794 INTERCHANGEABLE
Wrench,open End
4730-00-391-3735NAS1922-0150-3B INTERCHANGEABLE
Clamp,hose
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
3720 Ramset Ltd (CAN)
3717 Ramset Ltd (CAN)
Related Parts
6145-00-066-8640INTERCHANGEABLE
BRAID,WIRE
3110-00-100-0376INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3720
5120-00-184-8652INTERCHANGEABLE
WRENCH,OPEN END
3717
2530-00-192-8749INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,WHEEL
4730-00-203-9462INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
5975-00-280-9185INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
3717
4820-00-289-4383INTERCHANGEABLE
VALVE,ANGLE
022-03836
5305-00-292-8952INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3720
5120-00-293-1794INTERCHANGEABLE
WRENCH,OPEN END
4730-00-391-3735INTERCHANGEABLE
CLAMP,HOSE
NAS1922-0150-3B
3030-00-528-4627INTERCHANGEABLE
BELT,V
5810-00-827-2017INTERCHANGEABLE
EXTENDER CARD

Frequently Asked Questions

What is NSN 5306-01-075-8511?

NSN 5306-01-075-8511 is a Bolt,assembled Washer, manufactured by Ramset Ltd, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-075-8511?

NSN 5306-01-075-8511 has 2 cross-referenced part numbers: 3720 (Ramset Ltd), 3717 (Ramset Ltd).

What NSN replaces 5306-01-075-8511?

There are 12 known substitutes for 5306-01-075-8511: 6145-00-066-8640, 3110-00-100-0376, 5120-00-184-8652 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3720?

Key specifications for 3720: Washer Quantity: 1; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Class: 3A A; Thread Direction: RIGHT-HAND. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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