PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

021749Boot,dust and Moisture Seal

Caterpillar Inc Div Caterpillar Defense · NSN 5340-00-737-2351 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-737-2351 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-737-2351. Primary manufacturer part number: 021749.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • 15 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-737-2351, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 15 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersPressed Metals of America Inc (CAGE 83120); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Am General Llc (CAGE 34623); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Johnson Controls Navy Systems, Llc (CAGE 66935)
Technical Specifications
ParameterValue
NSN5340-00-737-2351
Primary Part Number021749
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
2925-00-156-44958640279P1 INTERCHANGEABLE
Body
General Electric Company
5325-00-282-0814 INTERCHANGEABLE
Ring,retaining
3020-00-418-4835G2-80 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
3455-00-580-849321749 INTERCHANGEABLE
Blade,hole Saw
Black and Decker Us Inc
5330-00-599-645234925 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6625-00-720-28158462 INTERCHANGEABLE
Lead Set,test
Gc/waldom Inc
2930-00-767-402021749 INTERCHANGEABLE
Manifold,water,front
Cummins Inc.
4820-01-107-709421751 INTERCHANGEABLE
Valve,calibrated Flow
Kold-Ban International Ltd Div Kbi
5998-01-132-376721749 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
5342-01-181-047621749 INTERCHANGEABLE
Pad
Alliance Laundry Systems Llc
Cross-Reference Index
Part NumberManufacturer
505026 Pressed Metals of America Inc (USA)
021749 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
637602 PRIMARY Am General Llc (USA)
7372351 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
R21130 Pressed Metals of America Inc (USA)
505026 Johnson Controls Navy Systems, Llc (USA)
FC6011 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
21749 Mitsubishi Caterpillar Forklift America, Inc (USA)
850278 Dana Off Highway Products, Llc (USA)
GP2180A Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
850278 Clark Equipment Co (USA)
GP2180 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
09-21749 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
F6011 PRIMARY Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
09-21749 Tvh Parts Co. (USA)
Related Parts
2925-00-156-4495INTERCHANGEABLE
BODY
8640279P1
5325-00-282-0814INTERCHANGEABLE
RING,RETAINING
3020-00-418-4835INTERCHANGEABLE
GEAR,SPUR
G2-80
3455-00-580-8493INTERCHANGEABLE
BLADE,HOLE SAW
21749
5330-00-599-6452INTERCHANGEABLE
SEAL,PLAIN ENCASED
34925
6625-00-720-2815INTERCHANGEABLE
LEAD SET,TEST
8462
2930-00-767-4020INTERCHANGEABLE
MANIFOLD,WATER,FRONT
21749
4820-01-107-7094INTERCHANGEABLE
VALVE,CALIBRATED FLOW
21751
5998-01-132-3767INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21749
5342-01-181-0476INTERCHANGEABLE
PAD
21749
5999-01-198-7066INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5310-01-208-2099INTERCHANGEABLE
NUT,ADJUSTING,VALVE
N21749

Frequently Asked Questions

What is NSN 5340-00-737-2351?

NSN 5340-00-737-2351 is a Boot,dust and Moisture Seal, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-737-2351?

NSN 5340-00-737-2351 has 15 cross-referenced part numbers: 505026 (Pressed Metals of America Inc), 021749 (Caterpillar Inc Div Caterpillar Defense), 637602 (Am General Llc), 7372351 (U S Army Tank Automotive Command Amsta-Im-Mm), R21130 (Pressed Metals of America Inc) and 10 more.

What NSN replaces 5340-00-737-2351?

There are 12 known substitutes for 5340-00-737-2351: 2925-00-156-4495, 5325-00-282-0814, 3020-00-418-4835 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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