PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

213761-1Nut,plain,hexagon

Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion · NSN 5310-01-214-6492 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-214-6492 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-214-6492. Primary manufacturer part number: 213761-1.
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 1.125 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 16
  • Nominal Thread Size: 0.750 INCHES IN
  • Bearing Surface Type: CHAMFERED
  • Thread Series: UNF
  • Thread Class: 2B
  • Nut Height: 0.422 INCHES NOMINAL IN
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 5310-01-214-6492, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-214-6492
Primary Part Number213761-1
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Sippican, Inc. Div Lockheed Martin Marion
StatusACTIVE
Width Across Flats1.125 INCHES NOMINAL IN
Thread Quantity Per Inch16
Nominal Thread Size0.750 INCHES IN
Bearing Surface TypeCHAMFERED
Thread SeriesUNF
Thread Class2B
Nut Height0.422 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2915-00-020-654983307 INTERCHANGEABLE
Parts Kit,pump,over
Triumph Engine Control Systems Llc
6850-00-311-617283307 INTERCHANGEABLE
Bearing Dye,blue
Itw Dykem/dymon
6145-00-450-1947M27500-18RC1S06 INTERCHANGEABLE
Wire,electrical
National Electrical Mfrs Assn Dba Nema
6625-00-926-739983307 INTERCHANGEABLE
Filter,light,cathode Ray Tube
Raytheon Company Dba Raytheon Co
8010-01-032-4041 INTERCHANGEABLE
Bluing,bearing Spotting
6850-01-172-837683307/BX INTERCHANGEABLE
Bluing,bearing,hi-Spot
Itw Dykem/dymon
6685-01-438-294683307 INTERCHANGEABLE
Transmitter,temperature,electric
Stewart-Warner Corporation
Cross-Reference Index
Part NumberManufacturer
83307 Federal Screw Products, Inc. (USA)
213761-1 PRIMARY Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion (USA)
83307ADX Airdale Express Llc Div Airdale Express (USA)
Related Parts
2915-00-020-6549INTERCHANGEABLE
PARTS KIT,PUMP,OVER
83307
6850-00-311-6172INTERCHANGEABLE
BEARING DYE,BLUE
83307
6145-00-450-1947INTERCHANGEABLE
WIRE,ELECTRICAL
M27500-18RC1S06
6625-00-926-7399INTERCHANGEABLE
FILTER,LIGHT,CATHODE RAY TUBE
83307
8010-01-032-4041INTERCHANGEABLE
BLUING,BEARING SPOTTING
6850-01-172-8376INTERCHANGEABLE
BLUING,BEARING,HI-SPOT
83307/BX
6685-01-438-2946INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC
83307

Frequently Asked Questions

What is NSN 5310-01-214-6492?

NSN 5310-01-214-6492 is a Nut,plain,hexagon, manufactured by Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-214-6492?

NSN 5310-01-214-6492 has 3 cross-referenced part numbers: 83307 (Federal Screw Products, Inc.), 213761-1 (Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion), 83307ADX (Airdale Express Llc Div Airdale Express).

What NSN replaces 5310-01-214-6492?

There are 7 known substitutes for 5310-01-214-6492: 2915-00-020-6549, 6850-00-311-6172, 6145-00-450-1947 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 213761-1?

Key specifications for 213761-1: Width Across Flats: 1.125 INCHES NOMINAL IN; Thread Quantity Per Inch: 16; Nominal Thread Size: 0.750 INCHES IN; Bearing Surface Type: CHAMFERED. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com