PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10549Cap,protective,dust and Moisture

Peerless Nuclear Corp · NSN 5340-01-215-3921 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-215-3921 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-215-3921. Primary manufacturer part number: 10549.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 1 verified cross-reference
  • Primary manufacturer: Peerless Nuclear Corp
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-215-3921, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Peerless Nuclear Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-215-3921
Primary Part Number10549
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPeerless Nuclear Corp
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5305-00-206-0538 INTERCHANGEABLE
Screw,machine
9340-00-268-98311049875 INTERCHANGEABLE
Window,observation
Todd Combustion Inc
5305-01-121-842610549 INTERCHANGEABLE
Screw,cap,socket Head
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5120-01-313-125010549 INTERCHANGEABLE
Seal Puller
Chandler Associates
Cross-Reference Index
Part NumberManufacturer
10549 Peerless Nuclear Corp (USA)
Related Parts
5305-00-206-0538INTERCHANGEABLE
SCREW,MACHINE
9340-00-268-9831INTERCHANGEABLE
WINDOW,OBSERVATION
1049875
5305-01-121-8426INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
10549
5120-01-313-1250INTERCHANGEABLE
SEAL PULLER
10549

Frequently Asked Questions

What is NSN 5340-01-215-3921?

NSN 5340-01-215-3921 is a Cap,protective,dust and Moisture, manufactured by Peerless Nuclear Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-215-3921?

NSN 5340-01-215-3921 has 1 cross-referenced part number: 10549 (Peerless Nuclear Corp).

What NSN replaces 5340-01-215-3921?

There are 4 known substitutes for 5340-01-215-3921: 5305-00-206-0538, 9340-00-268-9831, 5305-01-121-8426 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10549?

Key specifications for 10549: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: 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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