PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P2BPully,tensioner

Brewer Machine & Gear Co · NSN 2990-01-458-0593 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-458-0593 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-458-0593. Primary manufacturer part number: P2B.
Features
  • Pully,tensioner — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Brewer Machine & Gear Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pully,tensioner, cataloged under National Stock Number 2990-01-458-0593, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Brewer Machine & Gear Co. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-458-0593
Primary Part NumberP2B
Item NamePully,tensioner
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerBrewer Machine & Gear Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5995-00-161-8727 INTERCHANGEABLE
Cord Assembly,electrical
6680-00-527-9671ARHP2B INTERCHANGEABLE
Generator,tachometer
Thermotion Corp Dba Thermotion-Madison
5940-00-636-553934137 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
3468AS803-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
P2B PRIMARY Brewer Machine & Gear Co (USA)
PH-6420-4 New Hampshire Industries, Inc Div H. Neuman & Company (USA)
Related Parts
5995-00-161-8727INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
6680-00-527-9671INTERCHANGEABLE
GENERATOR,TACHOMETER
ARHP2B
5940-00-636-5539INTERCHANGEABLE
SPLICE,CONDUCTOR
34137

Frequently Asked Questions

What is NSN 2990-01-458-0593?

NSN 2990-01-458-0593 is a Pully,tensioner, manufactured by Brewer Machine & Gear Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-458-0593?

NSN 2990-01-458-0593 has 3 cross-referenced part numbers: 3468AS803-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), P2B (Brewer Machine & Gear Co), PH-6420-4 (New Hampshire Industries, Inc Div H. Neuman & Company).

What NSN replaces 2990-01-458-0593?

There are 3 known substitutes for 2990-01-458-0593: 5995-00-161-8727, 6680-00-527-9671, 5940-00-636-5539. Verify interchangeability with system specifications before substitution.

What are the specifications of P2B?

Key specifications for P2B: End Item Identification: AS37A-3 KIT; MEPPS; Special Features: PART OF THE DRIVE PACKAGE 2 KIT. 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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