PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN345B1Nut,plain,hexagon

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5310-00-167-1355 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-167-1355 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-167-1355. Primary manufacturer part number: AN345B1.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.043 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 72
  • Thread Series: UNF
  • Nominal Thread Size: 0.073 INCHES IN
  • Thread Class: 2B
  • Countersink Angle: 110.0 DEGREES NOMINAL NUT
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-167-1355, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-167-1355
Primary Part NumberAN345B1
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Nut Height0.043 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
Thread Quantity Per Inch72
Thread SeriesUNF
Nominal Thread Size0.073 INCHES IN
Thread Class2B
Countersink Angle110.0 DEGREES NOMINAL NUT
Thread DirectionRIGHT-HAND
Bearing Surface TypeCHAMFERED OR WASHER FACED
MaterialCOPPER ALLOY OVERALL
Width Across Flats0.150 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5977-00-006-6386 INTERCHANGEABLE
Brush,electrical Contact
4730-00-359-0431F3511 INTERCHANGEABLE
Connector,multiple,fluid Pressur
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5310-00-616-6946999295-2 INTERCHANGEABLE
Nut,plain,hexagon
Raytheon Company Dba Raytheon
4810-01-480-875421820 FN 14 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-544-3952 INTERCHANGEABLE
Valve,linear,directional Control
Cross-Reference Index
Part NumberManufacturer
AN345B1 Aeronautical Standards Group Dept of Navy and Air Force (USA)
218-20 Hamilton Sundstrand Corporation (USA)
Related Parts
5977-00-006-6386INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
4730-00-359-0431INTERCHANGEABLE
CONNECTOR,MULTIPLE,FLUID PRESSUR
F3511
5310-00-616-6946INTERCHANGEABLE
NUT,PLAIN,HEXAGON
999295-2
4810-01-480-8754INTERCHANGEABLE
PISTON,VALVE
21820 FN 14
4810-01-544-3952INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL

Frequently Asked Questions

What is NSN 5310-00-167-1355?

NSN 5310-00-167-1355 is a Nut,plain,hexagon, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-167-1355?

NSN 5310-00-167-1355 has 2 cross-referenced part numbers: AN345B1 (Aeronautical Standards Group Dept of Navy and Air Force), 218-20 (Hamilton Sundstrand Corporation).

What NSN replaces 5310-00-167-1355?

There are 5 known substitutes for 5310-00-167-1355: 5977-00-006-6386, 4730-00-359-0431, 5310-00-616-6946 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN345B1?

Key specifications for AN345B1: Nut Height: 0.043 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Thread Quantity Per Inch: 72; Thread Series: UNF; Nominal Thread Size: 0.073 INCHES IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-167-1355 still in active supply?

NSN 5310-00-167-1355 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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