PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101T931Nut,self-Locking,hexagon

Westinghouse Electric Corp · NSN 5310-00-282-0512 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-282-0512 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-282-0512. Primary manufacturer part number: 101T931.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 3B
  • Thread Direction: RIGHT-HAND
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.190 INCHES IN
  • Thread Series: UNF
  • Thread Quantity Per Inch: 32
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-282-0512, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-282-0512
Primary Part Number101T931
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusCANCELLED
Thread Class3B
Thread DirectionRIGHT-HAND
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.190 INCHES IN
Thread SeriesUNF
Thread Quantity Per Inch32
Nut StyleHEXAGON
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OVERALL
Width Across Flats0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Nut Height0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-298-4537 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-595-7475 INTERCHANGEABLE
Nut,self-Locking,hexagon
4140-01-120-7640404887 INTERCHANGEABLE
Impeller,fan,axial
Hobart Bros Co
3020-01-191-440601-901-72 INTERCHANGEABLE
Gear,spur
Secs Inc
Cross-Reference Index
Part NumberManufacturer
101T931 Westinghouse Electric Corp (USA)
AN365-1032C Aeronautical Standards Group Dept of Navy and Air Force (USA)
ANN5B Echo Industries, Inc. Dba Echo Industries Div Echo Industries (USA)
101T931 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
61H828-3 Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
807334 Us Army Aviation and Missile Command (USA)
MS20365-1032C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
404 887 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
ANN5 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
61H828-3 Westinghouse Electric Corp (USA)
TF30035 Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
5310-00-298-4537INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-595-7475INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4140-01-120-7640INTERCHANGEABLE
IMPELLER,FAN,AXIAL
404887
3020-01-191-4406INTERCHANGEABLE
GEAR,SPUR
01-901-72

Frequently Asked Questions

What is NSN 5310-00-282-0512?

NSN 5310-00-282-0512 is a Nut,self-Locking,hexagon, manufactured by Westinghouse Electric Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-282-0512?

NSN 5310-00-282-0512 has 11 cross-referenced part numbers: 101T931 (Westinghouse Electric Corp), AN365-1032C (Aeronautical Standards Group Dept of Navy and Air Force), ANN5B (Echo Industries, Inc. Dba Echo Industries Div Echo Industries), 101T931 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div), 61H828-3 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div) and 6 more.

What NSN replaces 5310-00-282-0512?

There are 4 known substitutes for 5310-00-282-0512: 5310-00-298-4537, 5310-00-595-7475, 4140-01-120-7640 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101T931?

Key specifications for 101T931: Thread Class: 3B; Thread Direction: RIGHT-HAND; Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.190 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-282-0512 still in active supply?

NSN 5310-00-282-0512 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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