PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7971658Ring Gear,fuel Injection

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 2910-00-322-9523 · FSC 2910 · No Item Name Available
Verified by PartsTable
NSN 2910-00-322-9523 — this item is cataloged by the U.S. Government under National Stock Number 2910-00-322-9523. Primary manufacturer part number: 7971658.
Features
  • Ring Gear,fuel Injection — FSC 2910
  • FSC Application Data: PUMP,FUEL METERING,ENGINE VEHICULAR
  • General Characteristics Item Description: CONSISTS OF GEAR RING WITH 9 HOLES,PART NO. SAA570441 AND 2 PINS PART NO. SAA570367
  • 2 verified cross-references
  • Primary manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Ring Gear,fuel Injection, cataloged under National Stock Number 2910-00-322-9523, is classified within Federal Supply Class 2910 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2910-00-322-9523
Primary Part Number7971658
Item NameRing Gear,fuel Injection
FSC / FSG2910 / 29 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
FSC Application DataPUMP,FUEL METERING,ENGINE VEHICULAR
General Characteristics Item DescriptionCONSISTS OF GEAR RING WITH 9 HOLES,PART NO. SAA570441 AND 2 PINS PART NO. SAA570367
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3030-00-034-184548SET2 INTERCHANGEABLE
Belts,v,matched Set
Carlisle Power Transmission Products Inc
2915-00-863-6538570440 INTERCHANGEABLE
Piston,metering
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
570440 Simmonds Precision Products Inc (USA)
7971658 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
3030-00-034-1845INTERCHANGEABLE
BELTS,V,MATCHED SET
48SET2
2915-00-863-6538INTERCHANGEABLE
PISTON,METERING
570440

Frequently Asked Questions

What is NSN 2910-00-322-9523?

NSN 2910-00-322-9523 is a Ring Gear,fuel Injection, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2910 (No Item Name Available). Status: active.

What are the part numbers for NSN 2910-00-322-9523?

NSN 2910-00-322-9523 has 2 cross-referenced part numbers: 570440 (Simmonds Precision Products Inc), 7971658 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 2910-00-322-9523?

There are 2 known substitutes for 2910-00-322-9523: 3030-00-034-1845, 2915-00-863-6538. Verify interchangeability with system specifications before substitution.

What are the specifications of 7971658?

Key specifications for 7971658: FSC Application Data: PUMP,FUEL METERING,ENGINE VEHICULAR; End Item Identification: 2350-679-4812; General Characteristics Item Description: CONSISTS OF GEAR RING WITH 9 HOLES,PART NO. SAA570441 AND 2 PINS PART NO. SAA570367. 3 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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