PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7956938-507Latch,oxygen Mask

The Boeing Company · NSN 1660-00-143-2813 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-143-2813 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-143-2813. Primary manufacturer part number: 7956938-507.
Features
  • Latch,oxygen Mask — FSC 1660
  • General Characteristics Item Description: STAINLESS STEEL
  • 2 verified cross-references
  • Primary manufacturer: The Boeing Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Latch,oxygen Mask, cataloged under National Stock Number 1660-00-143-2813, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is The Boeing Company. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-143-2813
Primary Part Number7956938-507
Item NameLatch,oxygen Mask
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
General Characteristics Item DescriptionSTAINLESS STEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2840-00-031-6349210991 INTERCHANGEABLE
Seal,air,aircraft Gas Turbine En
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
210998 B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (USA)
7956938-507 PRIMARY The Boeing Company (USA)
Related Parts
2840-00-031-6349INTERCHANGEABLE
SEAL,AIR,AIRCRAFT GAS TURBINE EN
210991

Frequently Asked Questions

What is NSN 1660-00-143-2813?

NSN 1660-00-143-2813 is a Latch,oxygen Mask, manufactured by The Boeing Company, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-143-2813?

NSN 1660-00-143-2813 has 2 cross-referenced part numbers: 210998 (B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems), 7956938-507 (The Boeing Company).

What NSN replaces 1660-00-143-2813?

There is 1 known substitute for 1660-00-143-2813: 2840-00-031-6349. Verify interchangeability with system specifications before substitution.

What are the specifications of 7956938-507?

Key specifications for 7956938-507: General Characteristics Item Description: STAINLESS STEEL. 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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