PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS39030-4Brace,crossarm

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5975-00-264-6314 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-264-6314 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-264-6314. Primary manufacturer part number: MS39030-4.
Features
  • Brace,crossarm — FSC 5975
  • Mounting Hole Quantity: 2
  • Center to Center Distance Between Mounting Holes: 30.000 INCHES NOMINAL IN
  • Overall Thickness: 0.219 INCHES NOMINAL IN
  • Design Type: FLAT
  • Mounting Hole Diameter: 0.563 INCHES IN
  • Surface Treatment: ZINC
  • Material: STEEL
Applications
  • Applications requiring Steel construction
General Description

The Brace,crossarm, cataloged under National Stock Number 5975-00-264-6314, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-00-264-6314
Primary Part NumberMS39030-4
Item NameBrace,crossarm
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Mounting Hole Quantity2
Center to Center Distance Between Mounting Holes30.000 INCHES NOMINAL IN
Overall Thickness0.219 INCHES NOMINAL IN
Design TypeFLAT
Mounting Hole Diameter0.563 INCHES IN
Surface TreatmentZINC
MaterialSTEEL
Mounting Hole Diameter0.438 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-223-1852 INTERCHANGEABLE
Bridle Ring
5975-00-244-6118 INTERCHANGEABLE
Brace,crossarm
5975-00-262-9155 INTERCHANGEABLE
Brace,crossarm
5306-00-271-6162 INTERCHANGEABLE
Bolt,hook
5306-00-271-6164 INTERCHANGEABLE
Bolt,hook
5306-00-274-8074 INTERCHANGEABLE
Bolt,square Neck
5306-00-274-8080 INTERCHANGEABLE
Bolt,square Neck
5306-00-274-8082 INTERCHANGEABLE
Bolt,square Neck
5975-00-280-3105 INTERCHANGEABLE
Step,pole
5975-00-369-4996 INTERCHANGEABLE
Bridle Ring
Cross-Reference Index
Part NumberManufacturer
MS39030-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MILH55053 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5975-00-223-1852INTERCHANGEABLE
BRIDLE RING
5975-00-244-6118INTERCHANGEABLE
BRACE,CROSSARM
5975-00-262-9155INTERCHANGEABLE
BRACE,CROSSARM
5306-00-271-6162INTERCHANGEABLE
BOLT,HOOK
5306-00-271-6164INTERCHANGEABLE
BOLT,HOOK
5306-00-274-8074INTERCHANGEABLE
BOLT,SQUARE NECK
5306-00-274-8080INTERCHANGEABLE
BOLT,SQUARE NECK
5306-00-274-8082INTERCHANGEABLE
BOLT,SQUARE NECK
5975-00-280-3105INTERCHANGEABLE
STEP,POLE
5975-00-369-4996INTERCHANGEABLE
BRIDLE RING
4030-00-389-7778INTERCHANGEABLE
ROD,ANCHOR
5975-00-407-6442INTERCHANGEABLE
BRACE,CROSSARM

Frequently Asked Questions

What is NSN 5975-00-264-6314?

NSN 5975-00-264-6314 is a Brace,crossarm, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-264-6314?

NSN 5975-00-264-6314 has 2 cross-referenced part numbers: MS39030-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MILH55053 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5975-00-264-6314?

There are 12 known substitutes for 5975-00-264-6314: 5975-00-223-1852, 5975-00-244-6118, 5975-00-262-9155 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS39030-4?

Key specifications for MS39030-4: Mounting Hole Quantity: 2; Center to Center Distance Between Mounting Holes: 30.000 INCHES NOMINAL IN; Overall Thickness: 0.219 INCHES NOMINAL IN; Design Type: FLAT. 10 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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