PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33-2697Breather

Rosenboom Machine and Tool Inc · NSN 2520-01-266-3453 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-01-266-3453 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-266-3453. Primary manufacturer part number: 33-2697.
Features
  • Breather — FSC 2520
  • 3 verified cross-references
  • Primary manufacturer: Rosenboom Machine and Tool Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Breather, cataloged under National Stock Number 2520-01-266-3453, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Rosenboom Machine and Tool Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-01-266-3453
Primary Part Number33-2697
Item NameBreather
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerRosenboom Machine and Tool Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2520-00-355-2701207135 INTERCHANGEABLE
Shaft,rocker,transm
Komatsu America Corporation
5950-01-155-0505L04909 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5120-01-276-9737207135 INTERCHANGEABLE
Wrench,adjustable
Cadillac Gage Textron Inc.
5331-01-326-19024308682 INTERCHANGEABLE
O-Ring
Cummins Inc.
2990-01-464-3036332697 INTERCHANGEABLE
Retainer,trail Lock
Brp Us Inc
1620-01-485-32332071-35 INTERCHANGEABLE
Rod End Assembly,landing Gear
Goodrich Corporation
Cross-Reference Index
Part NumberManufacturer
33-2697 Rosenboom Machine and Tool Inc (USA)
207135 Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations (USA)
33-7706 Rosenboom Machine and Tool Inc (USA)
Related Parts
2520-00-355-2701INTERCHANGEABLE
SHAFT,ROCKER,TRANSM
207135
5950-01-155-0505INTERCHANGEABLE
TRANSFORMER,POWER
L04909
5120-01-276-9737INTERCHANGEABLE
WRENCH,ADJUSTABLE
207135
5331-01-326-1902INTERCHANGEABLE
O-RING
4308682
2990-01-464-3036INTERCHANGEABLE
RETAINER,TRAIL LOCK
332697
1620-01-485-3233INTERCHANGEABLE
ROD END ASSEMBLY,LANDING GEAR
2071-35

Frequently Asked Questions

What is NSN 2520-01-266-3453?

NSN 2520-01-266-3453 is a Breather, manufactured by Rosenboom Machine and Tool Inc, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-01-266-3453?

NSN 2520-01-266-3453 has 3 cross-referenced part numbers: 33-2697 (Rosenboom Machine and Tool Inc), 207135 (Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations), 33-7706 (Rosenboom Machine and Tool Inc).

What NSN replaces 2520-01-266-3453?

There are 6 known substitutes for 2520-01-266-3453: 2520-00-355-2701, 5950-01-155-0505, 5120-01-276-9737 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33-2697?

Key specifications for 33-2697: End Item Identification: 3810-01-165-0647. 1 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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