PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8H139D-10Support,retractable,semitrailer

Standard Mfg Co Inc · NSN 2590-01-375-5851 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-375-5851 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-375-5851. Primary manufacturer part number: 8H139D-10.
Features
  • Support,retractable,semitrailer — FSC 2590
  • Leg Construction: TUBULAR
  • Operational Direction: VERTICAL
  • Maximum Underclearance: 63.030 INCHES IN
  • Length: 2.500 INCHES NOMINAL IN
  • Shoe: INCLUDED
  • Diameter: 12.000 INCHES NOMINAL IN
  • Retracting Method: PIN-HOLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Support,retractable,semitrailer, cataloged under National Stock Number 2590-01-375-5851, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Standard Mfg Co Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-375-5851
Primary Part Number8H139D-10
Item NameSupport,retractable,semitrailer
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerStandard Mfg Co Inc
StatusACTIVE
Leg ConstructionTUBULAR
Operational DirectionVERTICAL
Maximum Underclearance63.030 INCHES IN
Length2.500 INCHES NOMINAL IN
ShoeINCLUDED
Diameter12.000 INCHES NOMINAL IN
Retracting MethodPIN-HOLE
Extended Height39.530 INCHES NOMINAL IN
Frame Width for Which Designed9.000 INCHES NOMINAL IN
Operating Control TypeAUTOMATIC
Operating Speed Quantity1
Retracting MechanismINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-109-5472300570 INTERCHANGEABLE
Seal,plain Encased
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5962-01-128-3113 INTERCHANGEABLE
Microcircuit,linear
5945-01-223-000690130-1 INTERCHANGEABLE
Relay,electromagnetic
Hamilton Sundstrand Corporation Dba Collins Aerospace
5930-01-441-278990.1301 INTERCHANGEABLE
Switch,reed
Ronald Velli, Llc Dba Multimatic
6630-01-532-492290-1301 INTERCHANGEABLE
Calibration Solution
Parker Hannifin Corporation Div Village Marine Tech
Cross-Reference Index
Part NumberManufacturer
8H139D-10 Standard Mfg Co Inc (USA)
90-13-01 Milwaukee Cylinder Power Gear Div (USA)
300570 Milwaukee Cylinder Power Gear Div (USA)
8H139D-10 Gse Production and Support Llc Dba Gse Spares (USA)
Related Parts
5330-00-109-5472INTERCHANGEABLE
SEAL,PLAIN ENCASED
300570
5962-01-128-3113INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5945-01-223-0006INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
90130-1
5930-01-441-2789INTERCHANGEABLE
SWITCH,REED
90.1301
6630-01-532-4922INTERCHANGEABLE
CALIBRATION SOLUTION
90-1301

Frequently Asked Questions

What is NSN 2590-01-375-5851?

NSN 2590-01-375-5851 is a Support,retractable,semitrailer, manufactured by Standard Mfg Co Inc, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-375-5851?

NSN 2590-01-375-5851 has 4 cross-referenced part numbers: 8H139D-10 (Standard Mfg Co Inc), 90-13-01 (Milwaukee Cylinder Power Gear Div), 300570 (Milwaukee Cylinder Power Gear Div), 8H139D-10 (Gse Production and Support Llc Dba Gse Spares).

What NSN replaces 2590-01-375-5851?

There are 5 known substitutes for 2590-01-375-5851: 5330-00-109-5472, 5962-01-128-3113, 5945-01-223-0006 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8H139D-10?

Key specifications for 8H139D-10: Leg Construction: TUBULAR; Operational Direction: VERTICAL; Maximum Underclearance: 63.030 INCHES IN; Length: 2.500 INCHES NOMINAL IN. 13 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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