PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A8537Nut,plain,hexagon

Napco International Llc Dba Napco International Inc · NSN 5310-00-222-7234 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-222-7234 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-222-7234. Primary manufacturer part number: 1A8537.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.625 INCHES NOMINAL IN
  • Features Provided: CASEHARDENED
  • Thread Series: UNF
  • Thread Quantity Per Inch: 20
  • Nominal Thread Size: 0.438 INCHES IN
  • Bearing Surface Type: WASHER FACED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1212 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-222-7234, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-222-7234
Primary Part Number1A8537
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Thread DirectionRIGHT-HAND
Width Across Flats0.625 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Thread SeriesUNF
Thread Quantity Per Inch20
Nominal Thread Size0.438 INCHES IN
Bearing Surface TypeWASHER FACED
MaterialSTEEL COMP 1212 OVERALL
Nut StyleHEXAGON
Nut Height0.453 INCHES NOMINAL IN
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Class3B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5841-00-090-634753-786 INTERCHANGEABLE
Cam Plate Asy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3455-00-232-410219956 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5960-00-272-8549 INTERCHANGEABLE
Electron Tube
4820-00-314-7004 INTERCHANGEABLE
Diaphragm,valve,flat
5306-00-426-31501A8537 INTERCHANGEABLE
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
5950-00-535-96458516230 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
6920-00-679-0442 INTERCHANGEABLE
Retainer,drum Shaft
6240-00-763-34501893 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5365-00-836-82921893 INTERCHANGEABLE
Spacer,ring
Lawler Manufacturing Company, Inc.
5998-00-848-7989 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
3XX1803E Mitsubishi Caterpillar Forklift America, Inc (USA)
852046 Clark Equipment Co (USA)
3XX1803E Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
3XX1803E Dana Off Highway Products, Llc (USA)
5889 Mitsubishi Caterpillar Forklift America, Inc (USA)
1893 Diamond Reo Truck Co (USA)
3XX1803E Clark Equipment Co (USA)
852046 Dana Off Highway Products, Llc (USA)
1A8537 PRIMARY Napco International Llc Dba Napco International Inc (USA)
Related Parts
5841-00-090-6347INTERCHANGEABLE
CAM PLATE ASY
53-786
3455-00-232-4102INTERCHANGEABLE
REAMER,MACHINE
19956
5960-00-272-8549INTERCHANGEABLE
ELECTRON TUBE
4820-00-314-7004INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
5306-00-426-3150INTERCHANGEABLE
BOLT,MACHINE
1A8537
5950-00-535-9645INTERCHANGEABLE
TRANSFORMER,POWER
8516230
6920-00-679-0442INTERCHANGEABLE
RETAINER,DRUM SHAFT
6240-00-763-3450INTERCHANGEABLE
LAMP,INCANDESCENT
1893
5365-00-836-8292INTERCHANGEABLE
SPACER,RING
1893
5998-00-848-7989INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5360-00-877-5841INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1893
5910-00-943-0024INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
189-3

Frequently Asked Questions

What is NSN 5310-00-222-7234?

NSN 5310-00-222-7234 is a Nut,plain,hexagon, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-222-7234?

NSN 5310-00-222-7234 has 9 cross-referenced part numbers: 3XX1803E (Mitsubishi Caterpillar Forklift America, Inc), 852046 (Clark Equipment Co), 3XX1803E (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), 3XX1803E (Dana Off Highway Products, Llc), 5889 (Mitsubishi Caterpillar Forklift America, Inc) and 4 more.

What NSN replaces 5310-00-222-7234?

There are 12 known substitutes for 5310-00-222-7234: 5841-00-090-6347, 3455-00-232-4102, 5960-00-272-8549 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A8537?

Key specifications for 1A8537: Thread Direction: RIGHT-HAND; Width Across Flats: 0.625 INCHES NOMINAL IN; Features Provided: CASEHARDENED; Thread Series: UNF. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-222-7234 still in active supply?

NSN 5310-00-222-7234 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.
PartsTable Design LLC · partstable.com