PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-1258Oiler,self-Feeding

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4930-00-242-2955 · FSC 4930 · No Item Name Available
Verified by PartsTable
NSN 4930-00-242-2955 — this item is cataloged by the U.S. Government under National Stock Number 4930-00-242-2955. Primary manufacturer part number: MIL-C-1258.
Features
  • Oiler,self-Feeding — FSC 4930
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Quantity Per Inch: 18
  • Height: 6.812 INCHES NOMINAL IN
  • Screw Thread Series Designator: NPT
  • Material: GLASS OR COPPER ALLOY OR STEEL OVERALL
  • Departure From Cited Document: AS MODIFIED BY OIL CAPACITY
  • Nondefinitive Spec/std Data: F TYPE
Applications
  • Applications requiring Glass or Copper Alloy or Steel Overall construction
General Description

The Oiler,self-Feeding, cataloged under National Stock Number 4930-00-242-2955, is classified within Federal Supply Class 4930 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4930-00-242-2955
Primary Part NumberMIL-C-1258
Item NameOiler,self-Feeding
FSC / FSG4930 / 49 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nominal Thread Size0.375 INCHES IN
Thread Quantity Per Inch18
Height6.812 INCHES NOMINAL IN
Screw Thread Series DesignatorNPT
MaterialGLASS OR COPPER ALLOY OR STEEL OVERALL
Departure From Cited DocumentAS MODIFIED BY OIL CAPACITY
Nondefinitive Spec/std DataF TYPE
Style DesignatorSTRAIGHT, REGULATED, W/ SHUT-OFF AND SIGHT FEED
Oil Capacity5.000 FLUID OUNCES
Assembly Clearance Radius1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-174-6835 INTERCHANGEABLE
Cup,oil,lubricating
4930-00-242-2954 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2956 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2957 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2958 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2963 INTERCHANGEABLE
Oiler,self-Feeding
4730-00-247-7115 INTERCHANGEABLE
Cup,oil,lubricating
4730-00-247-7117 INTERCHANGEABLE
Cup,oil,lubricating
4730-00-277-7003 INTERCHANGEABLE
Cup,oil,lubricating
4730-00-278-5738 INTERCHANGEABLE
Cup,oil,lubricating
Cross-Reference Index
Part NumberManufacturer
MIL-C-1258 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-174-6835INTERCHANGEABLE
CUP,OIL,LUBRICATING
4930-00-242-2954INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2956INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2957INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2958INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2963INTERCHANGEABLE
OILER,SELF-FEEDING
4730-00-247-7115INTERCHANGEABLE
CUP,OIL,LUBRICATING
4730-00-247-7117INTERCHANGEABLE
CUP,OIL,LUBRICATING
4730-00-277-7003INTERCHANGEABLE
CUP,OIL,LUBRICATING
4730-00-278-5738INTERCHANGEABLE
CUP,OIL,LUBRICATING
4730-00-289-9303INTERCHANGEABLE
CUP,OIL,LUBRICATING
273949PC11
4730-00-707-3068INTERCHANGEABLE
CUP,OIL,LUBRICATING

Frequently Asked Questions

What is NSN 4930-00-242-2955?

NSN 4930-00-242-2955 is a Oiler,self-Feeding, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4930 (No Item Name Available). Status: active.

What are the part numbers for NSN 4930-00-242-2955?

NSN 4930-00-242-2955 has 1 cross-referenced part number: MIL-C-1258 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4930-00-242-2955?

There are 12 known substitutes for 4930-00-242-2955: 4730-00-174-6835, 4930-00-242-2954, 4930-00-242-2956 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-C-1258?

Key specifications for MIL-C-1258: Nominal Thread Size: 0.375 INCHES IN; Thread Quantity Per Inch: 18; Height: 6.812 INCHES NOMINAL IN; Screw Thread Series Designator: NPT. 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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