PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51532Cap,tube

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-485-6082 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-485-6082 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-485-6082. Primary manufacturer part number: MS51532.
Features
  • Cap,tube — FSC 4730
  • Material: STEEL CAP
  • Connection Style: PRESSURE SEAL FLARED
  • Style Designator: CAP, TUBE, FLARED
  • Thread Class: 2B INTERNAL
  • Surface Treatment: ZINC CAP
  • Nondefinitive Spec/std Data: 13 FIGURE
  • Thread Quantity Per Inch: 12 INTERNAL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Cap construction
General Description

The Cap,tube, cataloged under National Stock Number 4730-01-485-6082, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4730-01-485-6082
Primary Part NumberMS51532
Item NameCap,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialSTEEL CAP
Connection StylePRESSURE SEAL FLARED
Style DesignatorCAP, TUBE, FLARED
Thread Class2B INTERNAL
Surface TreatmentZINC CAP
Nondefinitive Spec/std Data13 FIGURE
Thread Quantity Per Inch12 INTERNAL
Tube Outside Diameter for Which Designed1.000 INCHES NOMINAL IN
Thread Pitch in Millimeters2.11 NOMINAL INTERNAL
Thread DirectionRIGHT-HAND INTERNAL
Nominal Thread Size1.312 INCHES INTERNAL IN
Thread Series DesignatorUN INTERNAL
Seat Angle37.0 DEGREES
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51532 GOVERNMENT STANDARD
Material Document and ClassificationMIL-F-18866 MIL SPEC SINGLE MATERIAL RESPONSE CAP
Surface Treatment Document and ClassificationASTM B622 TY2 ASSN STD SINGLE TREATMENT RESPONSE CAP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-540-1525 INTERCHANGEABLE
Cap,tube
4730-00-585-6565 INTERCHANGEABLE
Cap,tube
4730-01-240-8471 INTERCHANGEABLE
Cap,tube
4730-01-446-4624 INTERCHANGEABLE
Cap,tube
Cross-Reference Index
Part NumberManufacturer
MS51532 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51532B16Z Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-540-1525INTERCHANGEABLE
CAP,TUBE
4730-00-585-6565INTERCHANGEABLE
CAP,TUBE
4730-01-240-8471INTERCHANGEABLE
CAP,TUBE
4730-01-446-4624INTERCHANGEABLE
CAP,TUBE

Frequently Asked Questions

What is NSN 4730-01-485-6082?

NSN 4730-01-485-6082 is a Cap,tube, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-485-6082?

NSN 4730-01-485-6082 has 4 cross-referenced part numbers: MS51532 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-18866 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS51532B16Z (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-18866 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-485-6082?

There are 4 known substitutes for 4730-01-485-6082: 4730-00-540-1525, 4730-00-585-6565, 4730-01-240-8471 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51532?

Key specifications for MS51532: Material: STEEL CAP; Connection Style: PRESSURE SEAL FLARED; Style Designator: CAP, TUBE, FLARED; Thread Class: 2B INTERNAL. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com