PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8T-1572Screw,cap,socket Head

Caterpillar Inc Div Caterpillar Defense · NSN 5305-01-547-9774 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-547-9774 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-547-9774. Primary manufacturer part number: 8T-1572.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Style: BUTTON
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 20
  • Thread Length: 1.000 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Direction: RIGHT-HAND
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-547-9774, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 6 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-547-9774
Primary Part Number8T-1572
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Head StyleBUTTON
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch20
Thread Length1.000 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2530-00-006-6259F17681 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5961-00-554-0088 INTERCHANGEABLE
Transistor
3110-01-267-008240240 INTERCHANGEABLE
Bearing,ball,annular
L & R Manufacturing Company
4310-01-333-193940240 INTERCHANGEABLE
Compressor,rotary
Aps Systems, Inc Dba Eidal International Corp
6680-01-539-718540240 INTERCHANGEABLE
Switch,liquid Level
Hdt Expeditionary Systems Inc
3010-01-632-776640240 INTERCHANGEABLE
Nrp,actuator Lso WS
Exlar Corporation
4820-01-691-818440240 INTERCHANGEABLE
Valve Core
Hutchinson Industries, Inc Div Defense and Industry
Cross-Reference Index
Part NumberManufacturer
8T-1572 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
40240 Paccar Winch Inc Dba Paccar Winch Division (USA)
Related Parts
2530-00-006-6259INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F17681
5961-00-554-0088INTERCHANGEABLE
TRANSISTOR
3110-01-267-0082INTERCHANGEABLE
BEARING,BALL,ANNULAR
40240
4310-01-333-1939INTERCHANGEABLE
COMPRESSOR,ROTARY
40240
6680-01-539-7185INTERCHANGEABLE
SWITCH,LIQUID LEVEL
40240
3010-01-632-7766INTERCHANGEABLE
NRP,ACTUATOR LSO WS
40240
4820-01-691-8184INTERCHANGEABLE
VALVE CORE
40240

Frequently Asked Questions

What is NSN 5305-01-547-9774?

NSN 5305-01-547-9774 is a Screw,cap,socket Head, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-547-9774?

NSN 5305-01-547-9774 has 2 cross-referenced part numbers: 8T-1572 (Caterpillar Inc Div Caterpillar Defense), 40240 (Paccar Winch Inc Dba Paccar Winch Division).

What NSN replaces 5305-01-547-9774?

There are 7 known substitutes for 5305-01-547-9774: 2530-00-006-6259, 5961-00-554-0088, 3110-01-267-0082 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8T-1572?

Key specifications for 8T-1572: Special Features: NHA IS CONTROL GROUP; Head Style: BUTTON; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 20. 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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