PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53629Nut,plain,hexagon

Hydro-Aire Aerospace Corp · NSN 5310-00-814-6143 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-814-6143 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-814-6143. Primary manufacturer part number: 53629.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Series: UNEF
  • Nominal Thread Size: 0.438 INCHES IN
  • Thread Quantity Per Inch: 28
  • Nut Style: HEXAGON
  • Countersink Angle: 87.0 DEGREES MINIMUM AND 93.0 DEGREES MAXIMUM NUT
  • Width Across Flats: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-814-6143, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 13 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-814-6143
Primary Part Number53629
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusCANCELLED
Thread SeriesUNEF
Nominal Thread Size0.438 INCHES IN
Thread Quantity Per Inch28
Nut StyleHEXAGON
Countersink Angle87.0 DEGREES MINIMUM AND 93.0 DEGREES MAXIMUM NUT
Width Across Flats0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 416 OVERALL
Bearing Surface TypeCHAMFERED OR WASHER FACED
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Class2B
Thread DirectionRIGHT-HAND
Nut Height0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5365-00-105-966579386800402 INTERCHANGEABLE
Shim
Elbitamerica, Inc.
4310-00-306-1319N11122 INTERCHANGEABLE
Cylinder Sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-00-350-9358 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4320-01-199-804853629 INTERCHANGEABLE
Rotary Element
A W Chesterton Co Div Sealing Device Division
6620-01-296-087153629 INTERCHANGEABLE
Gage,pressure,dial Indicating
Veethree Electronics & Marine, Llc Dba Veethree Electronics & Marine Llc
7025-01-507-058553629 INTERCHANGEABLE
Disk Drive Unit
Naval Air Warfare Ctr Aircraft Div
4520-01-520-994253629 INTERCHANGEABLE
Heating Element,electrical,immer
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5310-01-617-172353629 INTERCHANGEABLE
Nut,self-Locking,hexagon
Exlar Corporation
Cross-Reference Index
Part NumberManufacturer
53629 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5365-00-105-9665INTERCHANGEABLE
SHIM
79386800402
4310-00-306-1319INTERCHANGEABLE
CYLINDER SLEEVE
N11122
4730-00-350-9358INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4320-01-199-8048INTERCHANGEABLE
ROTARY ELEMENT
53629
6620-01-296-0871INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
53629
7025-01-507-0585INTERCHANGEABLE
DISK DRIVE UNIT
53629
4520-01-520-9942INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
53629
5310-01-617-1723INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
53629

Frequently Asked Questions

What is NSN 5310-00-814-6143?

NSN 5310-00-814-6143 is a Nut,plain,hexagon, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-814-6143?

NSN 5310-00-814-6143 has 1 cross-referenced part number: 53629 (Hydro-Aire Aerospace Corp).

What NSN replaces 5310-00-814-6143?

There are 8 known substitutes for 5310-00-814-6143: 5365-00-105-9665, 4310-00-306-1319, 4730-00-350-9358 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53629?

Key specifications for 53629: Thread Series: UNEF; Nominal Thread Size: 0.438 INCHES IN; Thread Quantity Per Inch: 28; Nut Style: HEXAGON. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-814-6143 still in active supply?

NSN 5310-00-814-6143 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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