PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

303379Cap Assembly,oxygen Filler Valve

Lockheed Martin Corp · NSN 1660-00-218-9032 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-218-9032 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-218-9032. Primary manufacturer part number: 303379.
Features
  • Cap Assembly,oxygen Filler Valve — FSC 1660
  • General Characteristics Item Description: BRASS;CONSISTS OF 1 EACH CONE,SAFETY CHAIN,SCREW,WASHER,NUT
  • 3 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cap Assembly,oxygen Filler Valve, cataloged under National Stock Number 1660-00-218-9032, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN1660-00-218-9032
Primary Part Number303379
Item NameCap Assembly,oxygen Filler Valve
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
General Characteristics Item DescriptionBRASS;CONSISTS OF 1 EACH CONE,SAFETY CHAIN,SCREW,WASHER,NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4920-00-488-1388303379 INTERCHANGEABLE
Tester,sun Sensor
Northrop Grumman Corp Electronic Systems Defensive System Div
6515-01-365-8723 INTERCHANGEABLE
Cannula,intravenous
Cross-Reference Index
Part NumberManufacturer
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
134-73313-11 Rockwell International Corp North American Aircraft Opns (USA)
303379 PRIMARY Lockheed Martin Corp (USA)
Related Parts
4920-00-488-1388INTERCHANGEABLE
TESTER,SUN SENSOR
303379
6515-01-365-8723INTERCHANGEABLE
CANNULA,INTRAVENOUS

Frequently Asked Questions

What is NSN 1660-00-218-9032?

NSN 1660-00-218-9032 is a Cap Assembly,oxygen Filler Valve, manufactured by Lockheed Martin Corp, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-218-9032?

NSN 1660-00-218-9032 has 3 cross-referenced part numbers: 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 134-73313-11 (Rockwell International Corp North American Aircraft Opns), 303379 (Lockheed Martin Corp).

What NSN replaces 1660-00-218-9032?

There are 2 known substitutes for 1660-00-218-9032: 4920-00-488-1388, 6515-01-365-8723. Verify interchangeability with system specifications before substitution.

What are the specifications of 303379?

Key specifications for 303379: General Characteristics Item Description: BRASS;CONSISTS OF 1 EACH CONE,SAFETY CHAIN,SCREW,WASHER,NUT. 1 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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