PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18A41073E7Nut,self-Locking,hexagon

Fwd Seagrave Holdings Lp · NSN 5310-00-517-2806 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-517-2806 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-517-2806. Primary manufacturer part number: 18A41073E7.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Material: STEEL COMP 1137 OR STEEL COMP 1140 OR STEEL COMP 1141 OVERALL
  • Thread Class: 2B
  • Thread Quantity Per Inch: 16
  • Nut Height: 0.656 INCHES NOMINAL IN
  • Width Across Flats: 1.063 INCHES NOMINAL IN
  • Nominal Thread Size: 0.750 INCHES IN
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1137 or Steel Comp 1140 or Steel Comp 1141 Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-517-2806, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-517-2806
Primary Part Number18A41073E7
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusACTIVE
MaterialSTEEL COMP 1137 OR STEEL COMP 1140 OR STEEL COMP 1141 OVERALL
Thread Class2B
Thread Quantity Per Inch16
Nut Height0.656 INCHES NOMINAL IN
Width Across Flats1.063 INCHES NOMINAL IN
Nominal Thread Size0.750 INCHES IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Thread SeriesUNF
Locking FeatureFREE-RUNNING ALL METAL DESIGN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6210-00-174-8873 INTERCHANGEABLE
Lens,light
4720-00-374-187823370 INTERCHANGEABLE
Hose Rubber
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5950-00-504-669323397 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
4820-01-517-3076 INTERCHANGEABLE
Valve,globe
6625-01-540-160423397 INTERCHANGEABLE
Analyzer,spectrum
Nova Biomedical Corp
6532-01-596-1803NONSW400M INTERCHANGEABLE
Coat,medical Attendant's
Medline Industries, Lp
Cross-Reference Index
Part NumberManufacturer
350122S2 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
18A41073E7 PRIMARY Fwd Seagrave Holdings Lp (USA)
153095 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
5172806 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
350122S2 Ford Motor Company (USA)
23397 PRIMARY Eaton Corporation (USA)
8187-1-6 PRIMARY Chief of Engineers Dept of Army (USA)
83157H PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
4B0499 PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
Related Parts
6210-00-174-8873INTERCHANGEABLE
LENS,LIGHT
4720-00-374-1878INTERCHANGEABLE
HOSE RUBBER
23370
5950-00-504-6693INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
23397
4820-01-517-3076INTERCHANGEABLE
VALVE,GLOBE
6625-01-540-1604INTERCHANGEABLE
ANALYZER,SPECTRUM
23397
6532-01-596-1803INTERCHANGEABLE
COAT,MEDICAL ATTENDANT'S
NONSW400M

Frequently Asked Questions

What is NSN 5310-00-517-2806?

NSN 5310-00-517-2806 is a Nut,self-Locking,hexagon, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-517-2806?

NSN 5310-00-517-2806 has 9 cross-referenced part numbers: 350122S2 (Ford Motor Co Ford Parts and Service Div Government Part Sales), 18A41073E7 (Fwd Seagrave Holdings Lp), 153095 (Brockway Motor Trucks Div of Mack Trucks Inc), 5172806 (U S Army Tank Automotive Command Amsta-Im-Mm), 350122S2 (Ford Motor Company) and 4 more.

What NSN replaces 5310-00-517-2806?

There are 6 known substitutes for 5310-00-517-2806: 6210-00-174-8873, 4720-00-374-1878, 5950-00-504-6693 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18A41073E7?

Key specifications for 18A41073E7: Material: STEEL COMP 1137 OR STEEL COMP 1140 OR STEEL COMP 1141 OVERALL; Thread Class: 2B; Thread Quantity Per Inch: 16; Nut Height: 0.656 INCHES NOMINAL IN. 10 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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