PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5253Screw,cap,hexagon Head

Erie Malleable Iron Co · NSN 5305-01-179-9001 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-179-9001 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-179-9001. Primary manufacturer part number: 5253.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Length: 1.750 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNF
  • Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS
  • Head Style: HEXAGON
  • Head Height: 0.483 INCHES NOMINAL IN
  • Width Between Flats: 1.125 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1038 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-179-9001, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Erie Malleable Iron Co. Government technical data includes 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-179-9001
Primary Part Number5253
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerErie Malleable Iron Co
StatusACTIVE
Thread Length1.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
Head StyleHEXAGON
Head Height0.483 INCHES NOMINAL IN
Width Between Flats1.125 INCHES NOMINAL IN
Fastener Length2.733 INCHES NOMINAL IN
MaterialSTEEL COMP 1038 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-115-86905253 INTERCHANGEABLE
Thermometer,self-Indicating
Weksler Glass Thermometer Corp
1650-00-166-6108525-3 INTERCHANGEABLE
Plate,seal
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
4720-00-323-241347-150-186-5 INTERCHANGEABLE
Hose,air Duct
Bell Textron Inc
4320-00-431-1694N5-253 INTERCHANGEABLE
End Bell Assembly
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5935-00-534-77548900-0185-001 INTERCHANGEABLE
Connector,receptacle,electrical
Antenna Products Corporation Dba Antenna Products Corp
5935-00-725-3166 INTERCHANGEABLE
Connector,receptacle,electrical
6680-00-758-9330M144 INTERCHANGEABLE
Indicator,sight,liquid
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
5975-00-899-023574349A INTERCHANGEABLE
Box Connector,electrical
Air Products & Chemicals, Inc
5995-01-244-29531640891-42 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Raytheon Company Div Rmd Strategic
5120-01-335-0701 INTERCHANGEABLE
Adapter,socket Wrench
Cross-Reference Index
Part NumberManufacturer
5253 PRIMARY Erie Malleable Iron Co (USA)
Related Parts
6685-00-115-8690INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5253
1650-00-166-6108INTERCHANGEABLE
PLATE,SEAL
525-3
4720-00-323-2413INTERCHANGEABLE
HOSE,AIR DUCT
47-150-186-5
4320-00-431-1694INTERCHANGEABLE
END BELL ASSEMBLY
N5-253
5935-00-534-7754INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8900-0185-001
5935-00-725-3166INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6680-00-758-9330INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
M144
5975-00-899-0235INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
74349A
5995-01-244-2953INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1640891-42
5120-01-335-0701INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5120-01-399-9748INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
5253
1560-01-436-5105INTERCHANGEABLE
TANK,FUEL,AIRCRAFT

Frequently Asked Questions

What is NSN 5305-01-179-9001?

NSN 5305-01-179-9001 is a Screw,cap,hexagon Head, manufactured by Erie Malleable Iron Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-179-9001?

NSN 5305-01-179-9001 has 1 cross-referenced part number: 5253 (Erie Malleable Iron Co).

What NSN replaces 5305-01-179-9001?

There are 12 known substitutes for 5305-01-179-9001: 6685-00-115-8690, 1650-00-166-6108, 4720-00-323-2413 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5253?

Key specifications for 5253: Thread Length: 1.750 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Thread Series Designator: UNF; Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS. 9 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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