PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A104Nut,plain,hexagon

Lawson Products, Inc. · NSN 5310-01-137-7056 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-137-7056 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-137-7056. Primary manufacturer part number: A104.
Features
  • Nut,plain,hexagon — FSC 5310
  • Bearing Surface Type: CHAMFEREDCHAMFERED
  • Nominal Thread Size: 0.500 INCHES0.500 INCHES IN
  • Nut Style: HEXAGONHEXAGON
  • Material: STEEL OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Lawson Products, Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-137-7056, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lawson Products, Inc.. Government technical data includes 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-137-7056
Primary Part NumberA104
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLawson Products, Inc.
StatusACTIVE
Bearing Surface TypeCHAMFEREDCHAMFERED
Nominal Thread Size0.500 INCHES0.500 INCHES IN
Nut StyleHEXAGONHEXAGON
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-010-2364 INTERCHANGEABLE
Seat,valve
6810-00-281-2014 INTERCHANGEABLE
Citric Acid,monohydrate
3815-00-352-1325A104-3-4 INTERCHANGEABLE
Tooth,surface Ripping
Hendrix Mfg Co Inc
6160-00-402-8543A6K6-M4 INTERCHANGEABLE
Filler Cap,battery
Hydrocap Corp
5330-00-452-4533A104 INTERCHANGEABLE
Sealing Washer
L'hotellier SAS
3110-00-554-3232204S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4720-00-807-82531-4-1DH9 INTERCHANGEABLE
Hose,nonmetallic
Castle a M and Co
5975-00-878-3791 INTERCHANGEABLE
Rod,ground
2920-01-014-6870A4-100 INTERCHANGEABLE
Bracket,mounting,generator
C E Niehoff & Co
4730-01-030-5207 INTERCHANGEABLE
Reducer,tube
Cross-Reference Index
Part NumberManufacturer
A104 PRIMARY Lawson Products, Inc. (USA)
Related Parts
4820-00-010-2364INTERCHANGEABLE
SEAT,VALVE
6810-00-281-2014INTERCHANGEABLE
CITRIC ACID,MONOHYDRATE
3815-00-352-1325INTERCHANGEABLE
TOOTH,SURFACE RIPPING
A104-3-4
6160-00-402-8543INTERCHANGEABLE
FILLER CAP,BATTERY
A6K6-M4
5330-00-452-4533INTERCHANGEABLE
SEALING WASHER
A104
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S
4720-00-807-8253INTERCHANGEABLE
HOSE,NONMETALLIC
1-4-1DH9
5975-00-878-3791INTERCHANGEABLE
ROD,GROUND
2920-01-014-6870INTERCHANGEABLE
BRACKET,MOUNTING,GENERATOR
A4-100
4730-01-030-5207INTERCHANGEABLE
REDUCER,TUBE
5998-01-039-1093INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6150-01-201-5429INTERCHANGEABLE
LEAD,STORAGE BATTERY
878015R91

Frequently Asked Questions

What is NSN 5310-01-137-7056?

NSN 5310-01-137-7056 is a Nut,plain,hexagon, manufactured by Lawson Products, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-137-7056?

NSN 5310-01-137-7056 has 1 cross-referenced part number: A104 (Lawson Products, Inc.).

What NSN replaces 5310-01-137-7056?

There are 12 known substitutes for 5310-01-137-7056: 4820-00-010-2364, 6810-00-281-2014, 3815-00-352-1325 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A104?

Key specifications for A104: Bearing Surface Type: CHAMFEREDCHAMFERED; Nominal Thread Size: 0.500 INCHES0.500 INCHES IN; Nut Style: HEXAGONHEXAGON; Material: STEEL OVERALL. 4 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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