PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

660-3Intercooler

Name: 660-3
SKU: 3655-01-134-8410

Graham Corp · NSN 3655-01-134-8410 · FSC 3655 · No Item Name Available

Verified by PartsTable

NSN 3655-01-134-8410 — this item is cataloged by the U.S. Government under National Stock Number 3655-01-134-8410. Primary manufacturer part number: 660-3.

3655-01-134-8410 — No Item Name Available illustration

Features

Intercooler — FSC 3655
General Characteristics Item Description: DIAMETER 18.5 IN.; DEPTH 14.375 IN.; 1 GASKET-CASING P/N D791-1171-6; 2GASKET-BUNDLE P/N D791-1171-5; 1 BUNDLE P/N D791-1171-4; 1 CASING P/N D791-1171-3; 1 BASE PLATE P/N D791-1171-2 IN
4 verified cross-references
Primary manufacturer: Graham Corp

Applications

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

General Description

The Intercooler, cataloged under National Stock Number 3655-01-134-8410, is classified within Federal Supply Class 3655 (No Item Name Available) of the Special Industry Machinery group. The primary manufacturer of record is Graham Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3655-01-134-8410
Primary Part Number	660-3
Item Name	Intercooler
FSC / FSG	3655 / 36 — No Item Name Available
Manufacturer	Graham Corp
Status	ACTIVE
General Characteristics Item Description	DIAMETER 18.5 IN.; DEPTH 14.375 IN.; 1 GASKET-CASING P/N D791-1171-6; 2GASKET-BUNDLE P/N D791-1171-5; 1 BUNDLE P/N D791-1171-4; 1 CASING P/N D791-1171-3; 1 BASE PLATE P/N D791-1171-2 IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

5940-00-082-4748 INTERCHANGEABLE

Terminal,feedthru

5940-00-177-7929734834-1 INTERCHANGEABLE

Terminal,lug

L3harris Cincinnati Electronics Corporation

4720-00-189-2775SAE-20R1ECS-A-25X914 INTERCHANGEABLE

Hose,nonmetallic

Sae International Dba Sae International

5975-00-567-27666603 INTERCHANGEABLE

Panel,blank

Ango Electronics Corporation Dba Par Metal Products

2990-00-707-7522T-6603 INTERCHANGEABLE

Muffler,exhaust

Cummins Filtration Inc.

2815-00-710-185119925 INTERCHANGEABLE

Lever Assembly,e,ha

Napco International Llc Dba Napco International Inc

5905-01-039-53322815393 INTERCHANGEABLE

Resistor,variable,wire Wound,pre

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

4320-01-081-33696603 INTERCHANGEABLE

Impeller,pump,centrifugal

Oberdorfer Foundries Inc

5360-01-175-73536603 INTERCHANGEABLE

Spring,helical,compression

Greno Industries, Inc. Dba Greno Industries Inc

3610-01-184-74996603 INTERCHANGEABLE

Collator,paper,automatic

Abd Intl Inc Dba Abdick

Cross-Reference Index

Part Number	Manufacturer
D791-1171	Gas Equipment Engineering Corporation, the Dba Geeco (USA)
660-3	Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3 (USA)
D794-1605-23	Gas Equipment Engineering Corporation, the Dba Geeco (USA)
660-3 PRIMARY	Graham Corp (USA)

Related Parts

5940-00-082-4748INTERCHANGEABLE

TERMINAL,FEEDTHRU

5940-00-177-7929INTERCHANGEABLE

TERMINAL,LUG

734834-1

4720-00-189-2775INTERCHANGEABLE

HOSE,NONMETALLIC

SAE-20R1ECS-A-25X914

5975-00-567-2766INTERCHANGEABLE

PANEL,BLANK

6603

2990-00-707-7522INTERCHANGEABLE

MUFFLER,EXHAUST

T-6603

2815-00-710-1851INTERCHANGEABLE

LEVER ASSEMBLY,E,HA

19925

5905-01-039-5332INTERCHANGEABLE

RESISTOR,VARIABLE,WIRE WOUND,PRE

2815393

4320-01-081-3369INTERCHANGEABLE

IMPELLER,PUMP,CENTRIFUGAL

6603

5360-01-175-7353INTERCHANGEABLE

SPRING,HELICAL,COMPRESSION

6603

3610-01-184-7499INTERCHANGEABLE

COLLATOR,PAPER,AUTOMATIC

6603

2920-01-218-5065INTERCHANGEABLE

IGNITION WIRE SET,SPARK PLUG

12043717

6150-01-483-7204INTERCHANGEABLE

CABLE ASSEMBLY,SPECIAL PURPOSE,E

132108-30

Frequently Asked Questions

What is NSN 3655-01-134-8410?

NSN 3655-01-134-8410 is a Intercooler, manufactured by Graham Corp, classified under FSC 3655 (No Item Name Available). Status: active.

What are the part numbers for NSN 3655-01-134-8410?

NSN 3655-01-134-8410 has 4 cross-referenced part numbers: D791-1171 (Gas Equipment Engineering Corporation, the Dba Geeco), 660-3 (Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3), D794-1605-23 (Gas Equipment Engineering Corporation, the Dba Geeco), 660-3 (Graham Corp).

What NSN replaces 3655-01-134-8410?

There are 12 known substitutes for 3655-01-134-8410: 5940-00-082-4748, 5940-00-177-7929, 4720-00-189-2775 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 660-3?

Key specifications for 660-3: General Characteristics Item Description: DIAMETER 18.5 IN.; DEPTH 14.375 IN.; 1 GASKET-CASING P/N D791-1171-6; 2GASKET-BUNDLE P/N D791-1171-5; 1 BUNDLE P/N D791-1171-4; 1 CASING P/N D791-1171-3; 1 BASE PLATE P/N D791-1171-2 IN; End Item Identification: 3655010938771. 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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