PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21152Nut,plain,hexagon

Amphenol Corp Div Amphenol Aerospace Operations · NSN 5310-00-816-1838 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-816-1838 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-816-1838. Primary manufacturer part number: 21152.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Class: 3B
  • Thread Quantity Per Inch: 32
  • Thread Series: UN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.469 INCHES IN
  • Material: COPPER ALLOY OVERALL
  • Surface Treatment: CADMIUM AND DICHROMATE OVERALL
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 5310-00-816-1838, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Amphenol Corp Div Amphenol Aerospace Operations. Government technical data includes 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-816-1838
Primary Part Number21152
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAmphenol Corp Div Amphenol Aerospace Operations
StatusACTIVE
Thread Class3B
Thread Quantity Per Inch32
Thread SeriesUN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.469 INCHES IN
MaterialCOPPER ALLOY OVERALL
Surface TreatmentCADMIUM AND DICHROMATE OVERALL
Width Across Flats0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nut Height0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-168-089421152 INTERCHANGEABLE
Lock Plate,nut
Industrial Technologies and Services Llc
6130-00-250-596421152 INTERCHANGEABLE
Parts Kit,inverter
Magnetika Inc
2910-00-356-082221152 INTERCHANGEABLE
Lever,carburetor Throttle
Briggs and Stratton Corp
5998-00-578-6913 INTERCHANGEABLE
Electronic Components Assembly
5120-00-613-7441 INTERCHANGEABLE
Adapter,fastener Installation to
2990-00-876-470421152 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5940-00-892-732710-812-2-04 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
2520-00-897-34446769453 INTERCHANGEABLE
Torque Converter
Allison Transmission Inc Dba Allison Transmission, Inc
2920-01-026-0342 INTERCHANGEABLE
Coil,ignition
5998-01-162-914421152 INTERCHANGEABLE
Printed Wiring Board
L3 Technologies, Inc. Div Communication Systems-West
Cross-Reference Index
Part NumberManufacturer
21152 Unison Industries Llc (USA)
21152 PRIMARY Amphenol Corp Div Amphenol Aerospace Operations (USA)
21152 Mason Electric Co. Dba Mason Controls (USA)
Related Parts
4320-00-168-0894INTERCHANGEABLE
LOCK PLATE,NUT
21152
6130-00-250-5964INTERCHANGEABLE
PARTS KIT,INVERTER
21152
2910-00-356-0822INTERCHANGEABLE
LEVER,CARBURETOR THROTTLE
21152
5998-00-578-6913INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5120-00-613-7441INTERCHANGEABLE
ADAPTER,FASTENER INSTALLATION TO
2990-00-876-4704INTERCHANGEABLE
MUFFLER,EXHAUST
21152
5940-00-892-7327INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-812-2-04
2520-00-897-3444INTERCHANGEABLE
TORQUE CONVERTER
6769453
2920-01-026-0342INTERCHANGEABLE
COIL,IGNITION
5998-01-162-9144INTERCHANGEABLE
PRINTED WIRING BOARD
21152
5950-01-399-7256INTERCHANGEABLE
TRANSFORMER,POWER
H8000052-1
1005-01-705-8826INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21152

Frequently Asked Questions

What is NSN 5310-00-816-1838?

NSN 5310-00-816-1838 is a Nut,plain,hexagon, manufactured by Amphenol Corp Div Amphenol Aerospace Operations, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-816-1838?

NSN 5310-00-816-1838 has 3 cross-referenced part numbers: 21152 (Unison Industries Llc), 21152 (Amphenol Corp Div Amphenol Aerospace Operations), 21152 (Mason Electric Co. Dba Mason Controls).

What NSN replaces 5310-00-816-1838?

There are 12 known substitutes for 5310-00-816-1838: 4320-00-168-0894, 6130-00-250-5964, 2910-00-356-0822 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21152?

Key specifications for 21152: Thread Class: 3B; Thread Quantity Per Inch: 32; Thread Series: UN; Bearing Surface Type: CHAMFERED OR WASHER FACED. 11 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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