PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4961PC26Boot,dust and Moisture Seal

L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation · NSN 5930-01-149-8485 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-149-8485 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-149-8485. Primary manufacturer part number: 4961PC26.
Features
  • Boot,dust and Moisture Seal — FSC 5930
  • Criticality Code Justification: ZZZW
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 3 verified cross-references
  • Primary manufacturer: L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5930-01-149-8485, 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 L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN5930-01-149-8485
Primary Part Number4961PC26
Item NameBoot,dust and Moisture Seal
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerL-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation
StatusACTIVE
Criticality Code JustificationZZZW
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-007-7578 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-156-0680 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-00-984-4324 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-167-7741 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-178-5202 INTERCHANGEABLE
Boot,dust and Moisture Seal
5930-01-256-1524 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cross-Reference Index
Part NumberManufacturer
4961PC26 L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA)
MIL-B-5423/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M5423-14-07 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5930-00-007-7578INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-156-0680INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-00-984-4324INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-167-7741INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-178-5202INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5930-01-256-1524INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL

Frequently Asked Questions

What is NSN 5930-01-149-8485?

NSN 5930-01-149-8485 is a Boot,dust and Moisture Seal, manufactured by L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-149-8485?

NSN 5930-01-149-8485 has 3 cross-referenced part numbers: 4961PC26 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), MIL-B-5423/14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M5423-14-07 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5930-01-149-8485?

There are 6 known substitutes for 5930-01-149-8485: 5930-00-007-7578, 5930-00-156-0680, 5930-00-984-4324 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4961PC26?

Key specifications for 4961PC26: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 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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