PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21371Bracket Assy,support

Rtx Corporation Div Pratt & Whitney · NSN 2835-00-659-0521 · FSC 2835 · No Item Name Available
Verified by PartsTable
NSN 2835-00-659-0521 — this item is cataloged by the U.S. Government under National Stock Number 2835-00-659-0521. Primary manufacturer part number: 21371.
Features
  • Bracket Assy,support — FSC 2835
  • General Characteristics Item Description: MATL:ALUMINUM ALLOY PER QQ-A-355,DIM.:5.50 IN. NOM ID,0.281 IN. MIN AND 0.291 IN. MAX DIA THRU 4 HOLES ON A 6.700 IN. NOM BOLT CIRCLE DIA IN
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Div Pratt & Whitney
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bracket Assy,support, cataloged under National Stock Number 2835-00-659-0521, is classified within Federal Supply Class 2835 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 1 verified specification, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2835-00-659-0521
Primary Part Number21371
Item NameBracket Assy,support
FSC / FSG2835 / 28 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusACTIVE
General Characteristics Item DescriptionMATL:ALUMINUM ALLOY PER QQ-A-355,DIM.:5.50 IN. NOM ID,0.281 IN. MIN AND 0.291 IN. MAX DIA THRU 4 HOLES ON A 6.700 IN. NOM BOLT CIRCLE DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-087-74542546392-1 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3930-00-609-9547 INTERCHANGEABLE
Cup,u,backing Plate
5950-00-646-3936 INTERCHANGEABLE
Transformer,pulse
6220-00-657-207721371 INTERCHANGEABLE
Mounting Plate,rotating Light
Grimes Aerospace Company
3040-01-193-200821371 INTERCHANGEABLE
Head,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
21371 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
21371 Alamo Aircraft, Ltd. (USA)
Related Parts
5905-00-087-7454INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2546392-1
3930-00-609-9547INTERCHANGEABLE
CUP,U,BACKING PLATE
5950-00-646-3936INTERCHANGEABLE
TRANSFORMER,PULSE
6220-00-657-2077INTERCHANGEABLE
MOUNTING PLATE,ROTATING LIGHT
21371
3040-01-193-2008INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
21371

Frequently Asked Questions

What is NSN 2835-00-659-0521?

NSN 2835-00-659-0521 is a Bracket Assy,support, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 2835 (No Item Name Available). Status: active.

What are the part numbers for NSN 2835-00-659-0521?

NSN 2835-00-659-0521 has 2 cross-referenced part numbers: 21371 (Rtx Corporation Div Pratt & Whitney), 21371 (Alamo Aircraft, Ltd.).

What NSN replaces 2835-00-659-0521?

There are 5 known substitutes for 2835-00-659-0521: 5905-00-087-7454, 3930-00-609-9547, 5950-00-646-3936 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21371?

Key specifications for 21371: General Characteristics Item Description: MATL:ALUMINUM ALLOY PER QQ-A-355,DIM.:5.50 IN. NOM ID,0.281 IN. MIN AND 0.291 IN. MAX DIA THRU 4 HOLES ON A 6.700 IN. NOM BOLT CIRCLE DIA IN. 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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