PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

133007Locking Cup

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-01-018-9880 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-018-9880 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-018-9880. Primary manufacturer part number: 133007.
Features
  • Locking Cup — FSC 4320
  • General Characteristics Item Description: 0.531 IN. ID,0.807 MIN 0.811 MAX IN. OD; 0.531 MIN 0.541 MAX IN. O/A LG IN
  • 2 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Locking Cup, cataloged under National Stock Number 4320-01-018-9880, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-018-9880
Primary Part Number133007
Item NameLocking Cup
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
General Characteristics Item Description0.531 IN. ID,0.807 MIN 0.811 MAX IN. OD; 0.531 MIN 0.541 MAX IN. O/A LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6685-00-088-8285155212 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
1660-01-144-452913300-7 INTERCHANGEABLE
Controller,air Pressure,aircraft
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
133007 Toolex, Inc Dba Toolex Inc (USA)
133007 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
6685-00-088-8285INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
155212
1660-01-144-4529INTERCHANGEABLE
CONTROLLER,AIR PRESSURE,AIRCRAFT
13300-7

Frequently Asked Questions

What is NSN 4320-01-018-9880?

NSN 4320-01-018-9880 is a Locking Cup, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-018-9880?

NSN 4320-01-018-9880 has 2 cross-referenced part numbers: 133007 (Toolex, Inc Dba Toolex Inc), 133007 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).

What NSN replaces 4320-01-018-9880?

There are 2 known substitutes for 4320-01-018-9880: 6685-00-088-8285, 1660-01-144-4529. Verify interchangeability with system specifications before substitution.

What are the specifications of 133007?

Key specifications for 133007: End Item Identification: BYRON JACKSON POWER PUMPS NO. 691N0100 AND 691N0102; General Characteristics Item Description: 0.531 IN. ID,0.807 MIN 0.811 MAX IN. OD; 0.531 MIN 0.541 MAX IN. O/A LG IN. 2 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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