PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1861Nut,plain,hexagon

Husco International Inc · NSN 5310-01-441-2342 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-441-2342 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-441-2342. Primary manufacturer part number: 1861.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 2B
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 18
  • Nominal Thread Size: 0.312 INCHES IN
  • Nut Height: 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-441-2342, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Husco International Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-441-2342
Primary Part Number1861
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHusco International Inc
StatusACTIVE
Thread Class2B
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch18
Nominal Thread Size0.312 INCHES IN
Nut Height0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Width Across Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4310-00-364-84721861 INTERCHANGEABLE
Flyweight,governor,
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5950-00-409-0194905365-1 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5910-00-769-544818-61 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Keysight Technologies Inc
5985-00-841-1407 INTERCHANGEABLE
Line Section,radio Frequency Tra
3530-00-885-8796 INTERCHANGEABLE
Roller
5841-00-996-8215DS-931056 INTERCHANGEABLE
Check Valve
Eaton Aerospace, Llc Dba Jackson South
4820-01-024-34251861 INTERCHANGEABLE
Valve,globe
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
3610-01-051-67891861 INTERCHANGEABLE
Folding Machine,paper
Pitney Bowes Inc.
6505-01-149-916733100 INTERCHANGEABLE
Dipyridamole Tablets
U S Dept of Veterans Affairs
Cross-Reference Index
Part NumberManufacturer
N1861 Husco International Inc (USA)
1861 PRIMARY Husco International Inc (USA)
Related Parts
4310-00-364-8472INTERCHANGEABLE
FLYWEIGHT,GOVERNOR,
1861
5950-00-409-0194INTERCHANGEABLE
REACTOR
905365-1
5910-00-769-5448INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
18-61
5985-00-841-1407INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
3530-00-885-8796INTERCHANGEABLE
ROLLER
5841-00-996-8215INTERCHANGEABLE
CHECK VALVE
DS-931056
4820-01-024-3425INTERCHANGEABLE
VALVE,GLOBE
1861
3610-01-051-6789INTERCHANGEABLE
FOLDING MACHINE,PAPER
1861
6505-01-149-9167INTERCHANGEABLE
DIPYRIDAMOLE TABLETS
33100

Frequently Asked Questions

What is NSN 5310-01-441-2342?

NSN 5310-01-441-2342 is a Nut,plain,hexagon, manufactured by Husco International Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-441-2342?

NSN 5310-01-441-2342 has 2 cross-referenced part numbers: N1861 (Husco International Inc), 1861 (Husco International Inc).

What NSN replaces 5310-01-441-2342?

There are 9 known substitutes for 5310-01-441-2342: 4310-00-364-8472, 5950-00-409-0194, 5910-00-769-5448 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1861?

Key specifications for 1861: Thread Class: 2B; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 18; Nominal Thread Size: 0.312 INCHES IN. 8 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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