PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21242Boot,dust and Moisture Seal

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 5930-00-579-2041 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-579-2041 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-579-2041. Primary manufacturer part number: 21242.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Style Designator: THRU-HOLE
  • Material: RUBBER BODY
  • Opening Inside Diameter: 2.000 INCHES NOMINAL IN
  • Sealing Method: MECHANICAL
  • Body Outside Diameter: 2.080 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Body construction
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5930-00-579-2041, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-579-2041
Primary Part Number21242
Item NameBoot,dust and Moisture Seal
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
Style DesignatorTHRU-HOLE
MaterialRUBBER BODY
Opening Inside Diameter2.000 INCHES NOMINAL IN
Sealing MethodMECHANICAL
Body Outside Diameter2.080 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5130-00-227-6684FRS IM422 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5110-00-260-1641 INTERCHANGEABLE
Reamer,hand
2925-00-336-8361 INTERCHANGEABLE
Shim,magneto
3110-00-479-0009SB 22210 W 33 SS INTERCHANGEABLE
Bearing,roller,self-Aligning
Mcgill Manufacturing Co, Inc
2520-00-757-01826759560 INTERCHANGEABLE
Anchor Assembly,clu
Allison Transmission Inc Dba Allison Transmission, Inc
5120-00-884-8199 INTERCHANGEABLE
Extension-Universal Joint,tube E
5977-01-024-59931035H651PC26 INTERCHANGEABLE
Ring,electrical Contact Brush Ho
Peerless Instrument Co., Inc.
3020-01-089-3040 INTERCHANGEABLE
Chain,ladder
4730-01-332-593821242-8-8 INTERCHANGEABLE
Adapter,straight,tube to Hose
Ritter Technology, Llc
3040-01-391-0816 INTERCHANGEABLE
Lever,remote Control
Cross-Reference Index
Part NumberManufacturer
21242 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
56516SAPC6 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
5130-00-227-6684INTERCHANGEABLE
SOCKET,SOCKET WRENCH
FRS IM422
5110-00-260-1641INTERCHANGEABLE
REAMER,HAND
2925-00-336-8361INTERCHANGEABLE
SHIM,MAGNETO
3110-00-479-0009INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
SB 22210 W 33 SS
2520-00-757-0182INTERCHANGEABLE
ANCHOR ASSEMBLY,CLU
6759560
5120-00-884-8199INTERCHANGEABLE
EXTENSION-UNIVERSAL JOINT,TUBE E
5977-01-024-5993INTERCHANGEABLE
RING,ELECTRICAL CONTACT BRUSH HO
1035H651PC26
3020-01-089-3040INTERCHANGEABLE
CHAIN,LADDER
4730-01-332-5938INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
21242-8-8
3040-01-391-0816INTERCHANGEABLE
LEVER,REMOTE CONTROL
6685-01-416-7976INTERCHANGEABLE
DAMPENER,FLUID PRESSURE
21244-801-1
5305-01-526-0733INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
21242

Frequently Asked Questions

What is NSN 5930-00-579-2041?

NSN 5930-00-579-2041 is a Boot,dust and Moisture Seal, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-579-2041?

NSN 5930-00-579-2041 has 2 cross-referenced part numbers: 21242 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 56516SAPC6 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 5930-00-579-2041?

There are 12 known substitutes for 5930-00-579-2041: 5130-00-227-6684, 5110-00-260-1641, 2925-00-336-8361 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21242?

Key specifications for 21242: Style Designator: THRU-HOLE; Material: RUBBER BODY; Opening Inside Diameter: 2.000 INCHES NOMINAL IN; Sealing Method: MECHANICAL. 6 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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