PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R21Parts Kit,engine Fuel Pump

General Motors Corp · NSN 2910-00-390-8779 · FSC 2910 · No Item Name Available
Verified by PartsTable
NSN 2910-00-390-8779 — this item is cataloged by the U.S. Government under National Stock Number 2910-00-390-8779. Primary manufacturer part number: R21.
Features
  • Parts Kit,engine Fuel Pump — FSC 2910
  • Component Quantity: 23
  • Nonsupply Items and Quantities: 23040 GPW9381 LINK 1;23040 26466S7-8 SCREW 1;23040 34803S7-8 WASHER 3
  • Supply Items and Quantities: 2805-00-360-7697 GASKET 2;2910-00-360-8043 DIAPHRAGM 1;2910-00-360-8045 SCREEN 1;2910-00-752-1217 VALVE 2;5305-00-732-6339 SCREW 3;5310-00-521-4987 WASHER 1;5315-00-290-1344 PIN 1;5330-00-298-8253 GASKET 1;5330-00-360-8044 GASKET 1;5330-00-521-4738 WASHER 2;5340-00-200-6339 SPRING 1;5340-00-321-5779 SPRING 1;5340-00-321-6228 SPRING 1
  • FSC Application Data: NONAIRCRAFT
  • 15 verified cross-references
  • Primary manufacturer: General Motors Corp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Mechanical power generation
  • Drive system operation
General Description

The Parts Kit,engine Fuel Pump, cataloged under National Stock Number 2910-00-390-8779, is classified within Federal Supply Class 2910 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is General Motors Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 7 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
NSN2910-00-390-8779
Primary Part NumberR21
Item NameParts Kit,engine Fuel Pump
FSC / FSG2910 / 29 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Component Quantity23
Nonsupply Items and Quantities23040 GPW9381 LINK 1;23040 26466S7-8 SCREW 1;23040 34803S7-8 WASHER 3
Supply Items and Quantities2805-00-360-7697 GASKET 2;2910-00-360-8043 DIAPHRAGM 1;2910-00-360-8045 SCREEN 1;2910-00-752-1217 VALVE 2;5305-00-732-6339 SCREW 3;5310-00-521-4987 WASHER 1;5315-00-290-1344 PIN 1;5330-00-298-8253 GASKET 1;5330-00-360-8044 GASKET 1;5330-00-521-4738 WASHER 2;5340-00-200-6339 SPRING 1;5340-00-321-5779 SPRING 1;5340-00-321-6228 SPRING 1
FSC Application DataNONAIRCRAFT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
9905-00-057-3262R211518X24HA INTERCHANGEABLE
Sign,traffic
Federal Prison Industries, Inc
2590-00-102-3053658555 INTERCHANGEABLE
Control Assembly,push-Pull
Caterpillar Inc Div Caterpillar Defense
9905-00-336-9025R211018X24HA INTERCHANGEABLE
Sign,traffic
Federal Prison Industries, Inc
4240-01-048-3096423785-2 INTERCHANGEABLE
Cartridge,respirator,air Filteri
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
9905-01-074-94129905010749412 INTERCHANGEABLE
Sign,traffic
Federal Prison Industries, Inc
6810-01-190-2730 INTERCHANGEABLE
Rhodamine B
5330-01-247-2764B370003BG4 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
4240-01-249-5540 INTERCHANGEABLE
Cartridge,respirator,air Filteri
2520-01-267-6052J3192340 INTERCHANGEABLE
Torque Converter,vehicular
Chrysler Corp Engine and Components Sales Diversified Products Div
5945-01-294-9692R21 INTERCHANGEABLE
Relay,hybrid
Versitron Inc
Cross-Reference Index
Part NumberManufacturer
R21 General Motors Corp (USA)
1538170 General Motors Llc Dba General Motors (USA)
1538484 General Motors Llc Dba General Motors (USA)
FP678 Hygrade Products Sub of Standard Motor Products Inc (USA)
1538172 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
1538170 General Motors Corp (USA)
GTB18373B Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
1538172 General Motors Llc Dba General Motors (USA)
1538484 General Motors Corp (USA)
1538172 Pressed Metals of America Inc (USA)
8376196 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
R21 General Motors Llc Dba General Motors (USA)
1538172 General Motors Corp (USA)
GTB183738 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
1538484 General Motors Llc Dba General Motors Llc (USA)
Related Parts
9905-00-057-3262INTERCHANGEABLE
SIGN,TRAFFIC
R211518X24HA
2590-00-102-3053INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
658555
9905-00-336-9025INTERCHANGEABLE
SIGN,TRAFFIC
R211018X24HA
4240-01-048-3096INTERCHANGEABLE
CARTRIDGE,RESPIRATOR,AIR FILTERI
423785-2
9905-01-074-9412INTERCHANGEABLE
SIGN,TRAFFIC
9905010749412
6810-01-190-2730INTERCHANGEABLE
RHODAMINE B
5330-01-247-2764INTERCHANGEABLE
SEAL,PLAIN ENCASED
B370003BG4
4240-01-249-5540INTERCHANGEABLE
CARTRIDGE,RESPIRATOR,AIR FILTERI
2520-01-267-6052INTERCHANGEABLE
TORQUE CONVERTER,VEHICULAR
J3192340
5945-01-294-9692INTERCHANGEABLE
RELAY,HYBRID
R21
5331-01-304-3465INTERCHANGEABLE
O-RING
R21
5975-01-460-6572INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
R-21

Frequently Asked Questions

What is NSN 2910-00-390-8779?

NSN 2910-00-390-8779 is a Parts Kit,engine Fuel Pump, manufactured by General Motors Corp, classified under FSC 2910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2910-00-390-8779?

NSN 2910-00-390-8779 has 15 cross-referenced part numbers: R21 (General Motors Corp), 1538170 (General Motors Llc Dba General Motors), 1538484 (General Motors Llc Dba General Motors), FP678 (Hygrade Products Sub of Standard Motor Products Inc), 1538172 (Ford Motor Co Ford Parts and Service Div Government Part Sales) and 10 more.

What NSN replaces 2910-00-390-8779?

There are 12 known substitutes for 2910-00-390-8779: 9905-00-057-3262, 2590-00-102-3053, 9905-00-336-9025 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R21?

Key specifications for R21: Component Quantity: 23; Nonsupply Items and Quantities: 23040 GPW9381 LINK 1;23040 26466S7-8 SCREW 1;23040 34803S7-8 WASHER 3; Supply Items and Quantities: 2805-00-360-7697 GASKET 2;2910-00-360-8043 DIAPHRAGM 1;2910-00-360-8045 SCREEN 1;2910-00-752-1217 VALVE 2;5305-00-732-6339 SCREW 3;5310-00-521-4987 WASHER 1;5315-00-290-1344 PIN 1;5330-00-298-8253 GASKET 1;5330-00-360-8044 GASKET 1;5330-00-521-4738 WASHER 2;5340-00-200-6339 SPRING 1;5340-00-321-5779 SPRING 1;5340-00-321-6228 SPRING 1; FSC Application Data: NONAIRCRAFT. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2910-00-390-8779 still in active supply?

NSN 2910-00-390-8779 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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