PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

74621Duct,oil Cooler

Name: 74621
SKU: 2835-00-777-1728

Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix · NSN 2835-00-777-1728 · FSC 2835 · No Item Name Available

Verified by PartsTable

NSN 2835-00-777-1728 — this item is cataloged by the U.S. Government under National Stock Number 2835-00-777-1728. Primary manufacturer part number: 74621.

2835-00-777-1728 — No Item Name Available illustration

Features

Duct,oil Cooler — FSC 2835
3 verified cross-references
Primary manufacturer: Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix

Applications

Industrial maintenance and repair
Government and military logistics
Equipment overhaul and refurbishment

General Description

The Duct,oil Cooler, cataloged under National Stock Number 2835-00-777-1728, is classified within Federal Supply Class 2835 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts

Item Name	Duct,oil Cooler
FSC / FSG	2835 — No Item Name Available (FSG 28)
Manufacturers	Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (CAGE 99193); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210); Alliedsignal Inc Dba Allied-Signal Aerospace Co (CAGE 72599)

Technical Specifications

Parameter	Value
NSN	2835-00-777-1728
Primary Part Number	74621
Item Name	Duct,oil Cooler
FSC / FSG	2835 / 28 — No Item Name Available
Manufacturer	Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
Status	CANCELLED

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 4

5815-00-126-826574621 INTERCHANGEABLE

Bumper

Telemechanics Inc

5935-00-435-190937701 INTERCHANGEABLE

Adapter,connector

Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp

5365-01-393-3786 INTERCHANGEABLE

Shim

5306-01-650-150374621 INTERCHANGEABLE

Bolt,u

Fastenal Company Dba Fastenal Co

Cross-Reference Index

Part Number	Manufacturer
74621 PRIMARY	Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
74621	Honeywell International Inc. Div Aerospace - Torrance (USA)
74621	Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)

Related Parts

5815-00-126-8265INTERCHANGEABLE

BUMPER

74621

5935-00-435-1909INTERCHANGEABLE

ADAPTER,CONNECTOR

37701

5365-01-393-3786INTERCHANGEABLE

SHIM

5306-01-650-1503INTERCHANGEABLE

BOLT,U

74621

Frequently Asked Questions

What is NSN 2835-00-777-1728?

NSN 2835-00-777-1728 is a Duct,oil Cooler, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix, classified under FSC 2835 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2835-00-777-1728?

NSN 2835-00-777-1728 has 3 cross-referenced part numbers: 74621 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 74621 (Honeywell International Inc. Div Aerospace - Torrance), 74621 (Alliedsignal Inc Dba Allied-Signal Aerospace Co).

What NSN replaces 2835-00-777-1728?

There are 4 known substitutes for 2835-00-777-1728: 5815-00-126-8265, 5935-00-435-1909, 5365-01-393-3786 and 1 more. Verify interchangeability with system specifications before substitution.

Is NSN 2835-00-777-1728 still in active supply?

NSN 2835-00-777-1728 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.

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