PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23-611Nut,plain,hexagon

DC Fabricators Inc · NSN 5310-01-699-6243 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-699-6243 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-699-6243. Primary manufacturer part number: 23-611.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nominal Thread Size: 1.375 INCHES IN
  • Thread Series: UN
  • Thread Class: 3B
  • Thread Direction: RIGHT-HAND
  • Material: COPPER ALLOY OVERALL
  • Thread Quantity Per Inch: 8
  • 3 verified cross-references
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 5310-01-699-6243, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is DC Fabricators Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5310-01-699-6243
Primary Part Number23-611
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerDC Fabricators Inc
StatusACTIVE
Nominal Thread Size1.375 INCHES IN
Thread SeriesUN
Thread Class3B
Thread DirectionRIGHT-HAND
MaterialCOPPER ALLOY OVERALL
Thread Quantity Per Inch8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-137-001123611 INTERCHANGEABLE
Gasket
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5985-00-477-073223611 INTERCHANGEABLE
Rotary Coupler,radio Frequency
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5950-00-679-050623611 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Technologies, Inc. Div Space and Airborne Systems
4820-00-762-892623611 INTERCHANGEABLE
Valve,vacuum Regulator
Elbitamerica, Inc.
5325-00-849-4596 INTERCHANGEABLE
Ring,retaining
5950-01-062-2041145C831A01 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4310-01-336-82192361-1 INTERCHANGEABLE
Filter Element,intake Air Cleane
General Aviation Industries, Inc. Dba General Aviation Industries Inc
4920-01-690-40482361-1 INTERCHANGEABLE
Test Set,electronic Systems
Avtechtyee Inc Dba Avtech
5365-01-732-39272361-1 INTERCHANGEABLE
Spacer,straight
Md Helicopters Inc
Cross-Reference Index
Part NumberManufacturer
23-611 PRIMARY DC Fabricators Inc (USA)
HX-2300M-23-611 DC Fabricators Inc (USA)
HX-402G 23-611 DC Fabricators Inc (USA)
Related Parts
5330-00-137-0011INTERCHANGEABLE
GASKET
23611
5985-00-477-0732INTERCHANGEABLE
ROTARY COUPLER,RADIO FREQUENCY
23611
5950-00-679-0506INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
23611
4820-00-762-8926INTERCHANGEABLE
VALVE,VACUUM REGULATOR
23611
5325-00-849-4596INTERCHANGEABLE
RING,RETAINING
5950-01-062-2041INTERCHANGEABLE
TRANSFORMER,POWER
145C831A01
4310-01-336-8219INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
2361-1
4920-01-690-4048INTERCHANGEABLE
TEST SET,ELECTRONIC SYSTEMS
2361-1
5365-01-732-3927INTERCHANGEABLE
SPACER,STRAIGHT
2361-1

Frequently Asked Questions

What is NSN 5310-01-699-6243?

NSN 5310-01-699-6243 is a Nut,plain,hexagon, manufactured by DC Fabricators Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-699-6243?

NSN 5310-01-699-6243 has 3 cross-referenced part numbers: 23-611 (DC Fabricators Inc), HX-2300M-23-611 (DC Fabricators Inc), HX-402G 23-611 (DC Fabricators Inc).

What NSN replaces 5310-01-699-6243?

There are 9 known substitutes for 5310-01-699-6243: 5330-00-137-0011, 5985-00-477-0732, 5950-00-679-0506 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23-611?

Key specifications for 23-611: Nominal Thread Size: 1.375 INCHES IN; Part Name Assigned by Controlling Agency: NUT, INSPECTION COVER; Thread Series: UN; Thread Class: 3B. 7 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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