PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ERN227Nut,plain,hexagon

Renk America Llc Div Renk America · NSN 5310-00-788-0443 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-788-0443 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-788-0443. Primary manufacturer part number: ERN227.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Quantity Per Inch: 20
  • Thread Series: UNF
  • Nominal Thread Size: 0.500 INCHES IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Surface Treatment: CADMIUM AND CHROMATE OR ZINC OVERALL
  • Nut Height: 0.312 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
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 5310-00-788-0443, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-788-0443
Primary Part NumberERN227
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRenk America Llc Div Renk America
StatusACTIVE
Thread Quantity Per Inch20
Thread SeriesUNF
Nominal Thread Size0.500 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Surface TreatmentCADMIUM AND CHROMATE OR ZINC OVERALL
Nut Height0.312 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
Nut StyleHEXAGON
Thread Class2B
MaterialSTEEL OVERALL
Width Across Flats0.738 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-250-9477930000-0204 INTERCHANGEABLE
Nut,plain,hexagon
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5310-00-400-5503MS35650-3254 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-767-0445 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-913-8881 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-934-975981009 INTERCHANGEABLE
Nut,plain,hexagon
John Deer Consumer Products Inc
5310-00-934-9761MS35649-264 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-471-267513218E0320-352 INTERCHANGEABLE
Nut,plain,hexagon
Cecom Lr Center
5310-01-478-845113218E0320-333 INTERCHANGEABLE
Nut,plain,hexagon
Cecom Lr Center
5310-01-478-922713218E0320-289 INTERCHANGEABLE
Nut,plain,hexagon
Cecom Lr Center
5310-01-478-924413218E0320-129 INTERCHANGEABLE
Nut,plain,hexagon
Cecom Lr Center
Cross-Reference Index
Part NumberManufacturer
13218E0320-75 Cecom Lr Center (USA)
ERN227 PRIMARY Renk America Llc Div Renk America (USA)
13218E0320 Cecom Lr Center (USA)
ERN227 Chief of Engineers Dept of Army (USA)
13206E1464 Cecom Lr Center (USA)
Related Parts
5310-00-250-9477INTERCHANGEABLE
NUT,PLAIN,HEXAGON
930000-0204
5310-00-400-5503INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35650-3254
5310-00-767-0445INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-913-8881INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-934-9759INTERCHANGEABLE
NUT,PLAIN,HEXAGON
81009
5310-00-934-9761INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35649-264
5310-01-471-2675INTERCHANGEABLE
NUT,PLAIN,HEXAGON
13218E0320-352
5310-01-478-8451INTERCHANGEABLE
NUT,PLAIN,HEXAGON
13218E0320-333
5310-01-478-9227INTERCHANGEABLE
NUT,PLAIN,HEXAGON
13218E0320-289
5310-01-478-9244INTERCHANGEABLE
NUT,PLAIN,HEXAGON
13218E0320-129
5310-01-478-9268INTERCHANGEABLE
NUT,PLAIN,HEXAGON
13218E0320-248

Frequently Asked Questions

What is NSN 5310-00-788-0443?

NSN 5310-00-788-0443 is a Nut,plain,hexagon, manufactured by Renk America Llc Div Renk America, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-788-0443?

NSN 5310-00-788-0443 has 5 cross-referenced part numbers: 13218E0320-75 (Cecom Lr Center), ERN227 (Renk America Llc Div Renk America), 13218E0320 (Cecom Lr Center), ERN227 (Chief of Engineers Dept of Army), 13206E1464 (Cecom Lr Center).

What NSN replaces 5310-00-788-0443?

There are 11 known substitutes for 5310-00-788-0443: 5310-00-250-9477, 5310-00-400-5503, 5310-00-767-0445 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ERN227?

Key specifications for ERN227: Thread Quantity Per Inch: 20; Thread Series: UNF; Nominal Thread Size: 0.500 INCHES IN; Bearing Surface Type: CHAMFERED OR WASHER FACED. 12 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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