PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F940Nut,plain,hexagon

Naval Inventory Control Point Mechanicsburg · NSN 5310-00-353-2172 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-353-2172 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-353-2172. Primary manufacturer part number: F940.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND
  • Thread Class: 3B
  • Width Across Flats: 3.802 INCHES MINIMUM AND 3.822 INCHES MAXIMUM IN
  • Nut Style: HEXAGON
  • Nut Height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Thread Series: UN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1020 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-353-2172, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-353-2172
Primary Part NumberF940
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Thread Class3B
Width Across Flats3.802 INCHES MINIMUM AND 3.822 INCHES MAXIMUM IN
Nut StyleHEXAGON
Nut Height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Thread SeriesUN
Thread Quantity Per Inch16
Bearing Surface TypeCHAMFERED
Nominal Thread Size2.625 INCHES IN
Hardness Rating45.0 ROCKWELL A MINIMUM AND 55.0 ROCKWELL A MAXIMUM
MaterialSTEEL COMP 1020 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-00-361-28815B3224 INTERCHANGEABLE
Clamp,loop
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
F940 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5340-00-361-2881INTERCHANGEABLE
CLAMP,LOOP
5B3224

Frequently Asked Questions

What is NSN 5310-00-353-2172?

NSN 5310-00-353-2172 is a Nut,plain,hexagon, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-353-2172?

NSN 5310-00-353-2172 has 1 cross-referenced part number: F940 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5310-00-353-2172?

There is 1 known substitute for 5310-00-353-2172: 5340-00-361-2881. Verify interchangeability with system specifications before substitution.

What are the specifications of F940?

Key specifications for F940: Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: ONE 0.300 IN. TO 0.310 IN. HOLE 1.625 IN. FROM CENTER IN; Thread Direction: RIGHT-HAND; Thread Class: 3B. 14 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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