PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

790265-3Cover and Seal,valve

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 1660-00-735-8362 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-735-8362 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-735-8362. Primary manufacturer part number: 790265-3.
Features
  • Cover and Seal,valve — FSC 1660
  • General Characteristics Item Description: 5.550 IN. DIA SEAL BY 0.080 IN. THK W/0.203 IN. DIA 8 HOLES AND 5-0.203IN. DIA HOLE ON 3.190 IN. DIA BC BY 2.700 IN. ID IN
  • 2 verified cross-references
  • Primary manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Cover and Seal,valve, cataloged under National Stock Number 1660-00-735-8362, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN1660-00-735-8362
Primary Part Number790265-3
Item NameCover and Seal,valve
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
General Characteristics Item Description5.550 IN. DIA SEAL BY 0.080 IN. THK W/0.203 IN. DIA 8 HOLES AND 5-0.203IN. DIA HOLE ON 3.190 IN. DIA BC BY 2.700 IN. ID IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-00-232-4994LM748H/883 INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
556595 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
790265-3 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5962-00-232-4994INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM748H/883

Frequently Asked Questions

What is NSN 1660-00-735-8362?

NSN 1660-00-735-8362 is a Cover and Seal,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-735-8362?

NSN 1660-00-735-8362 has 2 cross-referenced part numbers: 556595 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 790265-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 1660-00-735-8362?

There is 1 known substitute for 1660-00-735-8362: 5962-00-232-4994. Verify interchangeability with system specifications before substitution.

What are the specifications of 790265-3?

Key specifications for 790265-3: End Item Identification: 1660-00-791-9133; REGULATOR,AIR PRESSURE; General Characteristics Item Description: 5.550 IN. DIA SEAL BY 0.080 IN. THK W/0.203 IN. DIA 8 HOLES AND 5-0.203IN. DIA HOLE ON 3.190 IN. DIA BC BY 2.700 IN. ID 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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