PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7006764Nut,plain,castellated,hexagon

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-010-3043 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-010-3043 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-010-3043. Primary manufacturer part number: 7006764.
Features
  • Nut,plain,castellated,hexagon — FSC 5310
  • Thread Series: UNF
  • Thread Class: 2B
  • Nut Style: CASTELLATED, HEXAGON
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: A TYPE
  • Thread Quantity Per Inch: 28
  • Width Across Flats: 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-010-3043, 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 12 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-010-3043
Primary Part Number7006764
Item NameNut,plain,castellated,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Thread SeriesUNF
Thread Class2B
Nut StyleCASTELLATED, HEXAGON
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataA TYPE
Thread Quantity Per Inch28
Width Across Flats0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Nominal Thread Size0.250 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nut Height0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2805-00-329-32064504705 INTERCHANGEABLE
Valve,e,haust
Agco Corp Parts Opn
5340-00-465-2758X450 INTERCHANGEABLE
Clamp,loop
Maremont Corp
5342-00-588-6062343AS294-2 INTERCHANGEABLE
Crank,steering Link
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5950-00-971-5657103043 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
5940-01-006-241110-304-3 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5360-01-548-1109211-1640 INTERCHANGEABLE
Spring,helical,compression
Caterpillar Inc Div Caterpillar Defense
1660-01-594-6149103043 INTERCHANGEABLE
Parts Kit,oxygen Mask
Aqualung Usa, Inc
Cross-Reference Index
Part NumberManufacturer
7006764 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1A Hercules Engine Co Inc (USA)
103043 General Motors Corp (USA)
FFB571TYPEA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
BB1359 Diamond Reo Truck Co (USA)
103043 General Motors Llc Dba General Motors Llc (USA)
139882H PRIMARY Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
89-163J PRIMARY Bae Systems Land & Armaments L.p. (USA)
X4-50 Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248 (USA)
89-163J Fmc Corp (USA)
139882H Navistar International Corporation Dba Navistar (USA)
Related Parts
2805-00-329-3206INTERCHANGEABLE
VALVE,E,HAUST
4504705
5340-00-465-2758INTERCHANGEABLE
CLAMP,LOOP
X450
5342-00-588-6062INTERCHANGEABLE
CRANK,STEERING LINK
343AS294-2
5950-00-971-5657INTERCHANGEABLE
COIL,RADIO FREQUENCY
103043
5940-01-006-2411INTERCHANGEABLE
TERMINAL,STUD
10-304-3
5360-01-548-1109INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
211-1640
1660-01-594-6149INTERCHANGEABLE
PARTS KIT,OXYGEN MASK
103043

Frequently Asked Questions

What is NSN 5310-00-010-3043?

NSN 5310-00-010-3043 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 5310-00-010-3043?

NSN 5310-00-010-3043 has 12 cross-referenced part numbers: 7006764 (U S Army Tank Automotive Command Amsta-Im-Mm), 1A (Hercules Engine Co Inc), 103043 (General Motors Corp), FFB571TYPEA (Federal Specifications Promulgated by General Services Administration Washington DC), 1A (Brinkley Technology Group Llc Dba Hercules Manufacturing) and 7 more.

What NSN replaces 5310-00-010-3043?

There are 7 known substitutes for 5310-00-010-3043: 2805-00-329-3206, 5340-00-465-2758, 5342-00-588-6062 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7006764?

Key specifications for 7006764: Thread Series: UNF; Thread Class: 2B; Nut Style: CASTELLATED, HEXAGON; Material: STEEL OVERALL. 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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