PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00521-0143-1Cup,oil,lubricating

Apache Corp Gits Bros Mfg Co · NSN 4730-00-277-7003 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-7003 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-7003. Primary manufacturer part number: 00521-0143-1.
Features
  • Cup,oil,lubricating — FSC 4730
  • Assembly Clearance Radius: 0.141 INCHES NOMINAL IN
  • Height: 0.281 INCHES NOMINAL IN
  • Surface Treatment: NICKEL OVERALL
  • Material: STEEL OVERALL
  • Style Designator: STRAIGHT, W/BALL CHECK, W/SHOULDER
  • Shank Length: 0.250 INCHES NOMINAL IN
  • Shank Diameter: 0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Cup,oil,lubricating, cataloged under National Stock Number 4730-00-277-7003, 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 Apache Corp Gits Bros Mfg Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-7003
Primary Part Number00521-0143-1
Item NameCup,oil,lubricating
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerApache Corp Gits Bros Mfg Co
StatusCANCELLED
Assembly Clearance Radius0.141 INCHES NOMINAL IN
Height0.281 INCHES NOMINAL IN
Surface TreatmentNICKEL OVERALL
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT, W/BALL CHECK, W/SHOULDER
Shank Length0.250 INCHES NOMINAL IN
Shank Diameter0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1005-00-166-2821M10-2 INTERCHANGEABLE
Revolver,caliber .38
Smith & Wesson Sales Company
4730-00-174-6835 INTERCHANGEABLE
Cup,oil,lubricating
5120-00-227-8105 INTERCHANGEABLE
Extension,socket Wrench
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
4930-00-242-2958 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2963 INTERCHANGEABLE
Oiler,self-Feeding
4730-00-247-7115 INTERCHANGEABLE
Cup,oil,lubricating
Cross-Reference Index
Part NumberManufacturer
00521-0143-1 Apache Corp Gits Bros Mfg Co (USA)
5B2403 Caterpillar Inc Div Caterpillar Defense (USA)
PI1509 Osgood Co the (USA)
801509 Westinghouse Electric Corp (USA)
387983 Westinghouse Electric Corp (USA)
M102 Osgood Co the (USA)
GGG-C-2794 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
M102 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
512766 Sasco Inc Canadian Div
13-1650-500-030 Chief of Engineers Dept of Army (USA)
MILC1258 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4730002785743 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
M1022 Minnpar, Llc Dba Minnpar (USA)
M1022 Barber-Greene Co (USA)
56 Bowen Products Corp (USA)
521 Apache Corp Gits Bros Mfg Co (USA)
B111HP2CM102 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
521STYLEGB Apache Corp Gits Bros Mfg Co (USA)
NS477 Cooper Machinery Services Llc (USA)
Related Parts
1005-00-166-2821INTERCHANGEABLE
REVOLVER,CALIBER .38
M10-2
4730-00-174-6835INTERCHANGEABLE
CUP,OIL,LUBRICATING
5120-00-227-8105INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
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
4930-00-242-2958INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2963INTERCHANGEABLE
OILER,SELF-FEEDING
4730-00-247-7115INTERCHANGEABLE
CUP,OIL,LUBRICATING
4730-00-247-7117INTERCHANGEABLE
CUP,OIL,LUBRICATING
4730-00-247-7119INTERCHANGEABLE
CUP,OIL,LUBRICATING

Frequently Asked Questions

What is NSN 4730-00-277-7003?

NSN 4730-00-277-7003 is a Cup,oil,lubricating, manufactured by Apache Corp Gits Bros Mfg Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-277-7003?

NSN 4730-00-277-7003 has 19 cross-referenced part numbers: 00521-0143-1 (Apache Corp Gits Bros Mfg Co), 5B2403 (Caterpillar Inc Div Caterpillar Defense), PI1509 (Osgood Co the), 801509 (Westinghouse Electric Corp), 387983 (Westinghouse Electric Corp) and 14 more.

What NSN replaces 4730-00-277-7003?

There are 12 known substitutes for 4730-00-277-7003: 1005-00-166-2821, 4730-00-174-6835, 5120-00-227-8105 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00521-0143-1?

Key specifications for 00521-0143-1: Special Features: SUPPORTS HOWITZER,LIGHT TOWED;105-MM,M102,1015-00-086-8164; Assembly Clearance Radius: 0.141 INCHES NOMINAL IN; Height: 0.281 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-7003 still in active supply?

NSN 4730-00-277-7003 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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