PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8261-4Screw,extension,jack

Columbus Jack Corporation Div Columbus Jack · NSN 5305-00-451-1862 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-451-1862 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-451-1862. Primary manufacturer part number: 8261-4.
Features
  • Screw,extension,jack — FSC 5305
  • General Characteristics Item Description: MATL ST,QQ-S-624; 30.500 IN. LG; 4.062 IN. DIA; THREADS AT BOTH END; SINGLE LEAD TWO THREADS PER INCH RH IN
  • 2 verified cross-references
  • Primary manufacturer: Columbus Jack Corporation Div Columbus Jack
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,extension,jack, cataloged under National Stock Number 5305-00-451-1862, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Columbus Jack Corporation Div Columbus Jack. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-451-1862
Primary Part Number8261-4
Item NameScrew,extension,jack
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerColumbus Jack Corporation Div Columbus Jack
StatusACTIVE
General Characteristics Item DescriptionMATL ST,QQ-S-624; 30.500 IN. LG; 4.062 IN. DIA; THREADS AT BOTH END; SINGLE LEAD TWO THREADS PER INCH RH IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5945-00-728-4472 INTERCHANGEABLE
Relay,electromagnetic
5930-00-769-538803-84-0037A INTERCHANGEABLE
Switch,toggle
Electric Boat Corporation Div General Dynamics Electric Boat
5331-01-305-940582614 INTERCHANGEABLE
O-Ring
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
2530-01-495-72308261-4 INTERCHANGEABLE
Brake Drum
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
8261-4 Age Logistics Corporation (USA)
8261-4 PRIMARY Columbus Jack Corporation Div Columbus Jack (USA)
Related Parts
5945-00-728-4472INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5930-00-769-5388INTERCHANGEABLE
SWITCH,TOGGLE
03-84-0037A
5331-01-305-9405INTERCHANGEABLE
O-RING
82614
2530-01-495-7230INTERCHANGEABLE
BRAKE DRUM
8261-4

Frequently Asked Questions

What is NSN 5305-00-451-1862?

NSN 5305-00-451-1862 is a Screw,extension,jack, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-451-1862?

NSN 5305-00-451-1862 has 2 cross-referenced part numbers: 8261-4 (Age Logistics Corporation), 8261-4 (Columbus Jack Corporation Div Columbus Jack).

What NSN replaces 5305-00-451-1862?

There are 4 known substitutes for 5305-00-451-1862: 5945-00-728-4472, 5930-00-769-5388, 5331-01-305-9405 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8261-4?

Key specifications for 8261-4: General Characteristics Item Description: MATL ST,QQ-S-624; 30.500 IN. LG; 4.062 IN. DIA; THREADS AT BOTH END; SINGLE LEAD TWO THREADS PER INCH RH IN. 1 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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