PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

591Pump,fuel,cam Actuated

Blackstone Mfg Co Inc · NSN 2910-00-374-3555 · FSC 2910 · No Item Name Available
Verified by PartsTable
NSN 2910-00-374-3555 — this item is cataloged by the U.S. Government under National Stock Number 2910-00-374-3555. Primary manufacturer part number: 591.
Features
  • Pump,fuel,cam Actuated — FSC 2910
  • Outlet Connection Type/size: FUEL 0.500 IN.-20 THD SIZE IN
  • Fording Feature: NOT INCLUDED
  • Maximum Static Pressure Above Outlet Height: 3.750 LB AT 2 IN. AT 1800 RPM LBS
  • Stroke Length: 0.200 INCHES NOMINAL IN
  • Mounting Type: NONSTANDARD
  • Inlet Connection Type/size: FUEL 0.500 IN.-20 THD SIZE IN
  • Priming Lever: NOT INCLUDED
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,fuel,cam Actuated, cataloged under National Stock Number 2910-00-374-3555, is classified within Federal Supply Class 2910 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Blackstone Mfg Co Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 35 commercial cross-references from 12 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
NSN2910-00-374-3555
Primary Part Number591
Item NamePump,fuel,cam Actuated
FSC / FSG2910 / 29 — No Item Name Available
ManufacturerBlackstone Mfg Co Inc
StatusCANCELLED
Outlet Connection Type/sizeFUEL 0.500 IN.-20 THD SIZE IN
Fording FeatureNOT INCLUDED
Maximum Static Pressure Above Outlet Height3.750 LB AT 2 IN. AT 1800 RPM LBS
Stroke Length0.200 INCHES NOMINAL IN
Mounting TypeNONSTANDARD
Inlet Connection Type/sizeFUEL 0.500 IN.-20 THD SIZE IN
Priming LeverNOT INCLUDED
Distance From Pump Mounting Face to Actuator Center0.872 IN. TO CENTERLINE OF PULL ROD IN
Actuation MethodPULL ROD
Furnished Items and QuantityGASKET 1
Fuel FilterNOT INCLUDED
Vacuum BoosterNOT INCLUDED
Drain FacilityINCLUDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
7510-00-106-7353 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
5996-00-143-4783591 INTERCHANGEABLE
Amplifier,electronic Control
Power Control Devices, Inc.
8345-00-194-5041 INTERCHANGEABLE
Flag,organizational
4820-00-274-36351605 INTERCHANGEABLE
Cock,plug
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
5999-00-433-9895591 INTERCHANGEABLE
Extractor Modules
Aqua Measure Instrument Co Inc Dba Moisture Register Products
5120-00-473-73887082426 INTERCHANGEABLE
Inserter,seal
U S Army Tank Automotive Command Amsta-Im-Mm
2530-00-522-6096 INTERCHANGEABLE
Hub
3110-00-554-3247059-1 INTERCHANGEABLE
Bearing,ball,annular
Jay Electric Co
6135-00-583-3966591 INTERCHANGEABLE
Battery,nonrechargeable
Bright Star Industries Inc
9540-00-618-5461AMS-QQ-A-200/11 INTERCHANGEABLE
Angle,structural
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
591 Blackstone Mfg Co Inc (USA)
591 General Motors Llc Dba General Motors (USA)
1537522 General Motors Llc Dba General Motors (USA)
R0591AY Airtex Products Div of Uis Inc (USA)
1537383 General Motors Llc Dba General Motors Llc (USA)
1521764 General Motors Llc Dba General Motors (USA)
591R Tlc Forestry, Llc (USA)
68-9350 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
541 General Motors Llc Dba General Motors Llc (USA)
689350 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
5591539 General Motors Llc Dba General Motors (USA)
1523307 General Motors Llc Dba General Motors (USA)
591 Tlc Forestry, Llc (USA)
R27N Hygrade Products Sub of Standard Motor Products Inc (USA)
59A9350 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
5591539 General Motors Llc Dba General Motors Llc (USA)
1523846 General Motors Llc Dba General Motors Llc (USA)
541 General Motors Llc Dba General Motors (USA)
1523307 Joy Global Underground Mining Llc (USA)
RX2N Hygrade Products Sub of Standard Motor Products Inc (USA)
Related Parts
7510-00-106-7353INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
5996-00-143-4783INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
591
8345-00-194-5041INTERCHANGEABLE
FLAG,ORGANIZATIONAL
4820-00-274-3635INTERCHANGEABLE
COCK,PLUG
1605
5999-00-433-9895INTERCHANGEABLE
EXTRACTOR MODULES
591
5120-00-473-7388INTERCHANGEABLE
INSERTER,SEAL
7082426
2530-00-522-6096INTERCHANGEABLE
HUB
3110-00-554-3247INTERCHANGEABLE
BEARING,BALL,ANNULAR
059-1
6135-00-583-3966INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
591
9540-00-618-5461INTERCHANGEABLE
ANGLE,STRUCTURAL
AMS-QQ-A-200/11
5325-00-641-1635INTERCHANGEABLE
GROMMET,NONMETALLIC
140703-112
5950-00-892-8359INTERCHANGEABLE
TRANSFORMER,POWER
591

Frequently Asked Questions

What is NSN 2910-00-374-3555?

NSN 2910-00-374-3555 is a Pump,fuel,cam Actuated, manufactured by Blackstone Mfg Co Inc, classified under FSC 2910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2910-00-374-3555?

NSN 2910-00-374-3555 has 35 cross-referenced part numbers: 591 (Blackstone Mfg Co Inc), 591 (General Motors Llc Dba General Motors), 1537522 (General Motors Llc Dba General Motors), R0591AY (Airtex Products Div of Uis Inc), 1537383 (General Motors Llc Dba General Motors Llc) and 30 more.

What NSN replaces 2910-00-374-3555?

There are 12 known substitutes for 2910-00-374-3555: 7510-00-106-7353, 5996-00-143-4783, 8345-00-194-5041 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 591?

Key specifications for 591: Outlet Connection Type/size: FUEL 0.500 IN.-20 THD SIZE IN; Fording Feature: NOT INCLUDED; Maximum Static Pressure Above Outlet Height: 3.750 LB AT 2 IN. AT 1800 RPM LBS; Stroke Length: 0.200 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2910-00-374-3555 still in active supply?

NSN 2910-00-374-3555 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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