PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

74802Valve,exhaust Rotat

Name: 74802
SKU: 2810-00-069-9583

Textron Lycoming Inc Williamsport Plant · NSN 2810-00-069-9583 · FSC 2810 · No Item Name Available

Verified by PartsTable

NSN 2810-00-069-9583 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-069-9583. Primary manufacturer part number: 74802.

2810-00-069-9583 — No Item Name Available illustration

Features

Valve,exhaust Rotat — FSC 2810
3 verified cross-references
Primary manufacturer: Textron Lycoming Inc Williamsport Plant

Applications

Flow control in piping systems
Pressure regulation
Steam and fluid isolation

General Description

The Valve,exhaust Rotat, cataloged under National Stock Number 2810-00-069-9583, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,exhaust Rotat
FSC / FSG	2810 — No Item Name Available (FSG 28)
Manufacturers	Textron Lycoming Inc Williamsport Plant (CAGE 80254); Satair A/s (CAGE R1120)

Technical Specifications

Parameter	Value
NSN	2810-00-069-9583
Primary Part Number	74802
Item Name	Valve,exhaust Rotat
FSC / FSG	2810 / 28 — No Item Name Available
Manufacturer	Textron Lycoming Inc Williamsport Plant
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 9

4820-00-016-1016665200-2 INTERCHANGEABLE

Valve,restrictor Check

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)

5815-00-127-204174052 INTERCHANGEABLE

Track,teletypewrite

Telemechanics Inc

6685-00-401-142374802 INTERCHANGEABLE

Pyrometer,indicating

Precision Scientific Petroleum Instruments Co

5360-00-448-389474802 INTERCHANGEABLE

Spring,helical,compression

Telemechanics Inc

5950-00-660-717045221-404 INTERCHANGEABLE

Reactor

The Boeing Company Div Legacy Boeing Hb1

4730-00-845-5345SAE J514-2 2-2 080202CA INTERCHANGEABLE

Elbow,pipe to Tube

Sae International Dba Sae International

4310-00-929-5672 INTERCHANGEABLE

Piston,compressor

4820-01-090-97127480-2 INTERCHANGEABLE

Stem,fluid Valve

Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect

5307-01-390-648774052 INTERCHANGEABLE

Stud,plain

Generac Corp

Cross-Reference Index

Part Number	Manufacturer
74802 PRIMARY	Textron Lycoming Inc Williamsport Plant (USA)
74802	Satair A/s (DNK)
74052	Textron Lycoming Inc Williamsport Plant (USA)

Related Parts

4820-00-016-1016INTERCHANGEABLE

VALVE,RESTRICTOR CHECK

665200-2

5815-00-127-2041INTERCHANGEABLE

TRACK,TELETYPEWRITE

74052

6685-00-401-1423INTERCHANGEABLE

PYROMETER,INDICATING

74802

5360-00-448-3894INTERCHANGEABLE

SPRING,HELICAL,COMPRESSION

74802

5950-00-660-7170INTERCHANGEABLE

REACTOR

45221-404

4730-00-845-5345INTERCHANGEABLE

ELBOW,PIPE TO TUBE

SAE J514-2 2-2 080202CA

4310-00-929-5672INTERCHANGEABLE

PISTON,COMPRESSOR

4820-01-090-9712INTERCHANGEABLE

STEM,FLUID VALVE

7480-2

5307-01-390-6487INTERCHANGEABLE

STUD,PLAIN

74052

Frequently Asked Questions

What is NSN 2810-00-069-9583?

NSN 2810-00-069-9583 is a Valve,exhaust Rotat, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-069-9583?

NSN 2810-00-069-9583 has 3 cross-referenced part numbers: 74802 (Textron Lycoming Inc Williamsport Plant), 74802 (Satair A/s), 74052 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 2810-00-069-9583?

There are 9 known substitutes for 2810-00-069-9583: 4820-00-016-1016, 5815-00-127-2041, 6685-00-401-1423 and 6 more. Verify interchangeability with system specifications before substitution.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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