PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53A68A29Setscrew

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5305-00-827-2485 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-827-2485 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-827-2485. Primary manufacturer part number: 53A68A29.
Features
  • Setscrew — FSC 5305
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Material: STEEL OVERALL
  • Thread Series Designator: UNF
  • Thread Class: 3A A
  • Head Style: HEXAGON
Applications
  • Applications requiring Steel Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-827-2485, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-827-2485
Primary Part Number53A68A29
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Nominal Thread Diameter0.250 INCHES IN
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
MaterialSTEEL OVERALL
Thread Series DesignatorUNF
Thread Class3A A
Head StyleHEXAGON
Fastener Length3.031 INCHES NOMINAL IN
Internal Drive StyleW/O INTERNAL DRIVE
Thread Length1.219 INCHES MINIMUM IN
Point Diameter0.312 INCHES NOMINAL IN
Thread Quantity Per Inch28
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Point Length0.312 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Point Chamfer Angle45.0 DEGREES NOMINAL
Point StyleCHAMFER DOG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-277-5105AS5197-050502 INTERCHANGEABLE
Tee,pipe to Tube
Sae International Dba Sae International
5310-00-360-219416055 INTERCHANGEABLE
Washer,shouldered
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
5950-00-421-2976154101 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5330-01-067-3440MP0-0046 INTERCHANGEABLE
Seal,plain Encased
Load King, Llc Div Load King
5330-01-165-8667 INTERCHANGEABLE
Seal,plain Encased
3040-01-167-288516055 INTERCHANGEABLE
Shaft,drive
Middleby Marshall Inc Conveyor Ovens and Mixers Div
6625-01-265-849516055 INTERCHANGEABLE
Multimeter
Simpson Electric Company, Inc.
4130-01-279-360516055 INTERCHANGEABLE
Compressor,refrigeration
Frick Co
Cross-Reference Index
Part NumberManufacturer
16055 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
53A68A29 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
4730-00-277-5105INTERCHANGEABLE
TEE,PIPE TO TUBE
AS5197-050502
5310-00-360-2194INTERCHANGEABLE
WASHER,SHOULDERED
16055
5950-00-421-2976INTERCHANGEABLE
TRANSFORMER,POWER
154101
5330-01-067-3440INTERCHANGEABLE
SEAL,PLAIN ENCASED
MP0-0046
5330-01-165-8667INTERCHANGEABLE
SEAL,PLAIN ENCASED
3040-01-167-2885INTERCHANGEABLE
SHAFT,DRIVE
16055
6625-01-265-8495INTERCHANGEABLE
MULTIMETER
16055
4130-01-279-3605INTERCHANGEABLE
COMPRESSOR,REFRIGERATION
16055

Frequently Asked Questions

What is NSN 5305-00-827-2485?

NSN 5305-00-827-2485 is a Setscrew, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-827-2485?

NSN 5305-00-827-2485 has 2 cross-referenced part numbers: 16055 (L3harris Technologies, Inc. Div Space and Airborne Systems), 53A68A29 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 5305-00-827-2485?

There are 8 known substitutes for 5305-00-827-2485: 4730-00-277-5105, 5310-00-360-2194, 5950-00-421-2976 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53A68A29?

Key specifications for 53A68A29: Nominal Thread Diameter: 0.250 INCHES IN; Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Material: STEEL OVERALL. 17 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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