PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100623Nut,plain,hexagon

Woodward Hrt Inc · NSN 5310-00-975-7142 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-975-7142 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-975-7142. Primary manufacturer part number: 100623.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Series: UN
  • Thread Quantity Per Inch: 16
  • Nominal Thread Size: 1.875 INCHES IN
  • Nut Height: 0.250 INCHES NOMINAL IN
  • Thread Class: 3B
  • Nut Style: HEXAGON
  • Width Across Flats: 2.250 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-975-7142, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward Hrt Inc. Government technical data includes 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-975-7142
Primary Part Number100623
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWoodward Hrt Inc
StatusACTIVE
Thread SeriesUN
Thread Quantity Per Inch16
Nominal Thread Size1.875 INCHES IN
Nut Height0.250 INCHES NOMINAL IN
Thread Class3B
Nut StyleHEXAGON
Width Across Flats2.250 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentANODIZE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Countersink Angle90.0 DEGREES NOMINAL NUT
Material Document and ClassificationQQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Bearing Surface TypeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-004-7580920012-17 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
3950-00-050-997810062-3 INTERCHANGEABLE
Housing Cable Drum
Aerocontrolex Group, Inc. Div Talley Actuators
4920-00-110-23644133 INTERCHANGEABLE
Monitor,special
Magnetika Inc
5998-01-062-0103100623 INTERCHANGEABLE
Circuit Card Assembly
Logimetrics Inc
5330-01-439-4272100623 INTERCHANGEABLE
Gasket
Neptune Chemical Pump Co Div of R a Industries Inc
6920-01-725-2455100623 INTERCHANGEABLE
Training Set,field Firing
Axon Enterprise, Inc.
Cross-Reference Index
Part NumberManufacturer
100623 PRIMARY Woodward Hrt Inc (USA)
Related Parts
5950-00-004-7580INTERCHANGEABLE
COIL,RADIO FREQUENCY
920012-17
3950-00-050-9978INTERCHANGEABLE
HOUSING CABLE DRUM
10062-3
4920-00-110-2364INTERCHANGEABLE
MONITOR,SPECIAL
4133
5998-01-062-0103INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100623
5330-01-439-4272INTERCHANGEABLE
GASKET
100623
6920-01-725-2455INTERCHANGEABLE
TRAINING SET,FIELD FIRING
100623

Frequently Asked Questions

What is NSN 5310-00-975-7142?

NSN 5310-00-975-7142 is a Nut,plain,hexagon, manufactured by Woodward Hrt Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-975-7142?

NSN 5310-00-975-7142 has 1 cross-referenced part number: 100623 (Woodward Hrt Inc).

What NSN replaces 5310-00-975-7142?

There are 6 known substitutes for 5310-00-975-7142: 5950-00-004-7580, 3950-00-050-9978, 4920-00-110-2364 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100623?

Key specifications for 100623: Thread Series: UN; Thread Quantity Per Inch: 16; Nominal Thread Size: 1.875 INCHES IN; Nut Height: 0.250 INCHES NOMINAL IN. 14 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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