PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1556Bellows and Pump

Davol Inc · NSN 6665-00-237-7852 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-237-7852 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-237-7852. Primary manufacturer part number: 1556.
Features
  • Bellows and Pump — FSC 6665
  • General Characteristics Item Description: 27.50 IN.L;ONE END.187 IN.W;BULB ONOTHER END 2.00 IN.W. IN
  • 4 verified cross-references
  • Primary manufacturer: Davol Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Bellows and Pump, cataloged under National Stock Number 6665-00-237-7852, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Davol Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6665-00-237-7852
Primary Part Number1556
Item NameBellows and Pump
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerDavol Inc
StatusCANCELLED
General Characteristics Item Description27.50 IN.L;ONE END.187 IN.W;BULB ONOTHER END 2.00 IN.W. IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-138-3872 INTERCHANGEABLE
Union,pipe
5330-00-178-46231701P INTERCHANGEABLE
Seal,plain Encased
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5950-00-229-9786 INTERCHANGEABLE
Transformer,radio Frequency
3030-00-528-3826 INTERCHANGEABLE
Belt,v
3020-00-529-28842-680 INTERCHANGEABLE
Chain,roller
Terex Usa, Llc Dba Terex Equipment Services
5977-00-552-0139212-38-0301PC2BRUSH INTERCHANGEABLE
Brush,electrical Contact
Naval Ship Systems Command
5330-00-654-4480 INTERCHANGEABLE
Packing,preformed
6625-00-840-0365320S36 INTERCHANGEABLE
Ammeter
Ametek Inc Dba Ametek Iscd Div Iscd
5999-00-904-1746 INTERCHANGEABLE
Cap,electrical
6240-00-919-4701683-802 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
Cross-Reference Index
Part NumberManufacturer
2-680 Fisher Scientific Company L.l.c. (USA)
8784 Arthur H. Thomas Company (USA)
1556 PRIMARY Davol Inc (USA)
D5-15-5423 Edgewood Chemical Biological Center Ecbc (USA)
Related Parts
4730-00-138-3872INTERCHANGEABLE
UNION,PIPE
5330-00-178-4623INTERCHANGEABLE
SEAL,PLAIN ENCASED
1701P
5950-00-229-9786INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
3030-00-528-3826INTERCHANGEABLE
BELT,V
3020-00-529-2884INTERCHANGEABLE
CHAIN,ROLLER
2-680
5977-00-552-0139INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
212-38-0301PC2BRUSH
5330-00-654-4480INTERCHANGEABLE
PACKING,PREFORMED
6625-00-840-0365INTERCHANGEABLE
AMMETER
320S36
5999-00-904-1746INTERCHANGEABLE
CAP,ELECTRICAL
6240-00-919-4701INTERCHANGEABLE
LAMP,INCANDESCENT
683-802
5935-00-934-0101INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2610534-1
6920-00-991-6676INTERCHANGEABLE
PATCH KIT
10040902

Frequently Asked Questions

What is NSN 6665-00-237-7852?

NSN 6665-00-237-7852 is a Bellows and Pump, manufactured by Davol Inc, classified under FSC 6665 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6665-00-237-7852?

NSN 6665-00-237-7852 has 4 cross-referenced part numbers: 2-680 (Fisher Scientific Company L.l.c.), 8784 (Arthur H. Thomas Company), 1556 (Davol Inc), D5-15-5423 (Edgewood Chemical Biological Center Ecbc).

What NSN replaces 6665-00-237-7852?

There are 12 known substitutes for 6665-00-237-7852: 4730-00-138-3872, 5330-00-178-4623, 5950-00-229-9786 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1556?

Key specifications for 1556: General Characteristics Item Description: 27.50 IN.L;ONE END.187 IN.W;BULB ONOTHER END 2.00 IN.W. IN; End Item Identification: 6665-00-854-4147. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6665-00-237-7852 still in active supply?

NSN 6665-00-237-7852 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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