PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7412391Nut,plain,castellated,hexagon

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-220-6803 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-220-6803 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-220-6803. Primary manufacturer part number: 7412391.
Features
  • Nut,plain,castellated,hexagon — FSC 5310
  • Thread Series: UNF
  • Nut Style: CASTELLATED, HEXAGON
  • Bearing Surface Type: WASHER FACED
  • Width Across Flats: 1.049 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 16
  • Material Document and Classification: SAE ASSN STD 1ST MATERIAL RESPONSE OR SAE ASSN STD 2ND MATERIAL RESPONSE OR SAE ASSN STD 3RD MATERIAL RESPONSE OR SAE 4735 ASSN STD 4TH MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 3140 OR STEEL COMP 4140 OR STEEL COMP 2330 OR STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 3140 or Steel Comp 4140 or Steel Comp 2330 or Steel Overall construction
General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-220-6803, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, 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
NSN5310-00-220-6803
Primary Part Number7412391
Item NameNut,plain,castellated,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Thread SeriesUNF
Nut StyleCASTELLATED, HEXAGON
Bearing Surface TypeWASHER FACED
Width Across Flats1.049 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
Thread Quantity Per Inch16
Material Document and ClassificationSAE ASSN STD 1ST MATERIAL RESPONSE OR SAE ASSN STD 2ND MATERIAL RESPONSE OR SAE ASSN STD 3RD MATERIAL RESPONSE OR SAE 4735 ASSN STD 4TH MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 3140 OR STEEL COMP 4140 OR STEEL COMP 2330 OR STEEL OVERALL
Thread DirectionRIGHT-HAND
Nut Height1.125 INCHES NOMINAL IN
Nominal Thread Size0.750 INCHES IN
Thread Class3B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-121-9671 INTERCHANGEABLE
Bolt,machine
2520-00-164-264414153 INTERCHANGEABLE
Yoke
Komatsu America Corporation
3460-00-228-205014153 INTERCHANGEABLE
Wheel,abrasive
Black and Decker Us Inc
5305-00-272-41031402574 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5330-00-477-2581V2B10666TA INTERCHANGEABLE
Retainer,packing
Vacco Industries
3120-00-804-97121410-0047 INTERCHANGEABLE
Bushing,sleeve
Keysight Technologies Inc
5950-00-857-1957 INTERCHANGEABLE
Reactor
5961-01-107-922914153 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Kurz & Root Generator Company, Llc
4240-01-110-125510061632 INTERCHANGEABLE
Lens,facepiece
Mine Safety Appliances Company
5306-01-115-250201681 INTERCHANGEABLE
Bolt,shoulder
Defense Logistics Agency Dba Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
30053A General Fire Extinguisher Corp (USA)
30053A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
214567 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
96667 White Motor Corp (USA)
7412391 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
14153 Walker/bux-Shrader Magnetic Products Inc Walker Magnetics Gp (USA)
30053A Hercules Engine Co Inc (USA)
30053A Duplex Div Warner and Swasey Co (USA)
Related Parts
5306-00-121-9671INTERCHANGEABLE
BOLT,MACHINE
2520-00-164-2644INTERCHANGEABLE
YOKE
14153
3460-00-228-2050INTERCHANGEABLE
WHEEL,ABRASIVE
14153
5305-00-272-4103INTERCHANGEABLE
SCREW,MACHINE
1402574
5330-00-477-2581INTERCHANGEABLE
RETAINER,PACKING
V2B10666TA
3120-00-804-9712INTERCHANGEABLE
BUSHING,SLEEVE
1410-0047
5950-00-857-1957INTERCHANGEABLE
REACTOR
5961-01-107-9229INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
14153
4240-01-110-1255INTERCHANGEABLE
LENS,FACEPIECE
10061632
5306-01-115-2502INTERCHANGEABLE
BOLT,SHOULDER
01681
5306-01-185-8653INTERCHANGEABLE
BOLT,U
5950-01-234-3870INTERCHANGEABLE
COIL,ELECTRICAL
14153

Frequently Asked Questions

What is NSN 5310-00-220-6803?

NSN 5310-00-220-6803 is a Nut,plain,castellated,hexagon, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-220-6803?

NSN 5310-00-220-6803 has 8 cross-referenced part numbers: 30053A (General Fire Extinguisher Corp), 30053A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 214567 (Brockway Motor Trucks Div of Mack Trucks Inc), 96667 (White Motor Corp), 7412391 (U S Army Tank Automotive Command Amsta-Im-Mm) and 3 more.

What NSN replaces 5310-00-220-6803?

There are 12 known substitutes for 5310-00-220-6803: 5306-00-121-9671, 2520-00-164-2644, 3460-00-228-2050 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7412391?

Key specifications for 7412391: Thread Series: UNF; Nut Style: CASTELLATED, HEXAGON; Bearing Surface Type: WASHER FACED; Width Across Flats: 1.049 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN. 11 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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