PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50135Nut,plain,hexagon

Waterous Company · NSN 5310-00-034-2820 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-034-2820 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-034-2820. Primary manufacturer part number: 50135.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 20
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.250 INCHES IN
  • Bearing Surface Type: WASHER FACED
  • Material: COPPER ALLOY OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-034-2820, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Waterous Company. Government technical data includes 10 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-034-2820
Primary Part Number50135
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWaterous Company
StatusACTIVE
Thread Class2B
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch20
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.250 INCHES IN
Bearing Surface TypeWASHER FACED
MaterialCOPPER ALLOY OVERALL
Width Across Flats0.433 INCHES NOMINAL IN
Nut Height0.223 INCHES NOMINAL IN
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-641-0994116867 INTERCHANGEABLE
Seal,plain Encased
Dresser, Llc
1680-00-689-782550135 INTERCHANGEABLE
Control Assembly,brake
Transdigm Inc
5340-00-791-424850135 INTERCHANGEABLE
Band,retaining
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5360-00-981-014150-135 INTERCHANGEABLE
Spring,helical,extension
Motorola Solutions Danmark A/s
5935-01-085-8265 INTERCHANGEABLE
Socket,plug-in Electronic Compon
1005-01-487-243650135 INTERCHANGEABLE
Lever,breechblock,cocking
American Apex Corporation
5120-01-685-169450135 INTERCHANGEABLE
Bar,pinch
5.11 Tactical Inc
4730-01-710-283650135 INTERCHANGEABLE
Plug,pipe
Engineered Specialties
Cross-Reference Index
Part NumberManufacturer
50135 PRIMARY Waterous Company (USA)
71487-B55 Waterous Company (USA)
Related Parts
5330-00-641-0994INTERCHANGEABLE
SEAL,PLAIN ENCASED
116867
1680-00-689-7825INTERCHANGEABLE
CONTROL ASSEMBLY,BRAKE
50135
5340-00-791-4248INTERCHANGEABLE
BAND,RETAINING
50135
5360-00-981-0141INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
50-135
5935-01-085-8265INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
1005-01-487-2436INTERCHANGEABLE
LEVER,BREECHBLOCK,COCKING
50135
5120-01-685-1694INTERCHANGEABLE
BAR,PINCH
50135
4730-01-710-2836INTERCHANGEABLE
PLUG,PIPE
50135

Frequently Asked Questions

What is NSN 5310-00-034-2820?

NSN 5310-00-034-2820 is a Nut,plain,hexagon, manufactured by Waterous Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-034-2820?

NSN 5310-00-034-2820 has 2 cross-referenced part numbers: 50135 (Waterous Company), 71487-B55 (Waterous Company).

What NSN replaces 5310-00-034-2820?

There are 8 known substitutes for 5310-00-034-2820: 5330-00-641-0994, 1680-00-689-7825, 5340-00-791-4248 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50135?

Key specifications for 50135: Thread Class: 2B; Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 20; Thread Series: UNIFIED NATIONAL COARSE (UNC). 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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