PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILC1258Oiler,self-Feeding

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4930-00-242-2958 · FSC 4930 · No Item Name Available
Verified by PartsTable
NSN 4930-00-242-2958 — this item is cataloged by the U.S. Government under National Stock Number 4930-00-242-2958. Primary manufacturer part number: MILC1258.
Features
  • Oiler,self-Feeding — FSC 4930
  • Oil Capacity: 0.800 FLUID OUNCES
  • Nominal Thread Size: 0.250 INCHES IN
  • Thread Quantity Per Inch: 18
  • Style Designator: STRAIGHT, HINGED LID
  • Nondefinitive Spec/std Data: D TYPE
  • Material: COPPER ALLOY OR STEEL OVERALL
  • Assembly Clearance Radius: 0.656 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy or Steel Overall construction
General Description

The Oiler,self-Feeding, cataloged under National Stock Number 4930-00-242-2958, 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 8 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
NSN4930-00-242-2958
Primary Part NumberMILC1258
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
Oil Capacity0.800 FLUID OUNCES
Nominal Thread Size0.250 INCHES IN
Thread Quantity Per Inch18
Style DesignatorSTRAIGHT, HINGED LID
Nondefinitive Spec/std DataD TYPE
MaterialCOPPER ALLOY OR STEEL OVERALL
Assembly Clearance Radius0.656 INCHES NOMINAL IN
Screw Thread Series DesignatorNPT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-174-6835 INTERCHANGEABLE
Cup,oil,lubricating
4930-00-242-2954 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2955 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2956 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2957 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
MILC1258 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
4930-00-242-2955INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2956INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2957INTERCHANGEABLE
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 4930-00-242-2958?

NSN 4930-00-242-2958 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 4930-00-242-2958?

NSN 4930-00-242-2958 has 1 cross-referenced part number: MILC1258 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4930-00-242-2958?

There are 12 known substitutes for 4930-00-242-2958: 4730-00-174-6835, 4930-00-242-2954, 4930-00-242-2955 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILC1258?

Key specifications for MILC1258: Oil Capacity: 0.800 FLUID OUNCES; Nominal Thread Size: 0.250 INCHES IN; Thread Quantity Per Inch: 18; Style Designator: STRAIGHT, HINGED LID. 8 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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