PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-564Nut,plain,knurled

Essex Industries, Inc. Dba Essex Industries · NSN 5310-00-627-3775 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-627-3775 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-627-3775. Primary manufacturer part number: A-564.
Features
  • Nut,plain,knurled — FSC 5310
  • Material Document and Classification: QQ-A-351,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: ANODIZE OVERALL
  • Thread Class: 2B
  • Thread Quantity Per Inch: 32
  • Nominal Thread Size: 0.625 INCHES IN
  • Thread Series: UN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 2017 Overall construction
General Description

The Nut,plain,knurled, cataloged under National Stock Number 5310-00-627-3775, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-627-3775
Primary Part NumberA-564
Item NameNut,plain,knurled
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Material Document and ClassificationQQ-A-351,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Surface TreatmentANODIZE OVERALL
Thread Class2B
Thread Quantity Per Inch32
Nominal Thread Size0.625 INCHES IN
Thread SeriesUN
Nut StyleKNURLED
Nut Thickness0.530 INCHES NOMINAL IN
Knurl Width0.220 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2017 OVERALL
Nut Diameter0.940 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5307-00-011-25727372581 INTERCHANGEABLE
Stud,plain
U S Army Tank Automotive Command Amsta-Im-Mm
3455-00-232-902958-10143 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5325-00-275-4477 INTERCHANGEABLE
Eyelet,metallic
5920-00-356-21991043 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
6150-01-172-5393A56-4 INTERCHANGEABLE
Lead,storage Battery
Standard Motor Products
Cross-Reference Index
Part NumberManufacturer
A-564 PRIMARY Essex Industries, Inc. Dba Essex Industries (USA)
Related Parts
5307-00-011-2572INTERCHANGEABLE
STUD,PLAIN
7372581
3455-00-232-9029INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10143
5325-00-275-4477INTERCHANGEABLE
EYELET,METALLIC
5920-00-356-2199INTERCHANGEABLE
FUSE,CARTRIDGE
1043
6150-01-172-5393INTERCHANGEABLE
LEAD,STORAGE BATTERY
A56-4

Frequently Asked Questions

What is NSN 5310-00-627-3775?

NSN 5310-00-627-3775 is a Nut,plain,knurled, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-627-3775?

NSN 5310-00-627-3775 has 1 cross-referenced part number: A-564 (Essex Industries, Inc. Dba Essex Industries).

What NSN replaces 5310-00-627-3775?

There are 5 known substitutes for 5310-00-627-3775: 5307-00-011-2572, 3455-00-232-9029, 5325-00-275-4477 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-564?

Key specifications for A-564: Material Document and Classification: QQ-A-351,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Surface Treatment: ANODIZE OVERALL; Thread Class: 2B. 12 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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