PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1605-1Cap,protective,dust and Moisture

Reliable Tool & Machine Company, Inc. · NSN 5340-01-540-1274 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-540-1274 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-540-1274. Primary manufacturer part number: 1605-1.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Round Cap Outside Surface Condition: SMOOTH
  • Overall Diameter: 6.500 INCHES MINIMUM AND 8.000 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Reliable Tool & Machine Company, Inc.
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 5340-01-540-1274, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Reliable Tool & Machine Company, Inc.. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-540-1274
Primary Part Number1605-1
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerReliable Tool & Machine Company, Inc.
StatusACTIVE
Round Cap Outside Surface ConditionSMOOTH
Overall Diameter6.500 INCHES MINIMUM AND 8.000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
6240-00-013-1282 INTERCHANGEABLE
Lamp,incandescent
6610-00-181-4233PB16051 INTERCHANGEABLE
Filter Assembly
Mission Systems Davenport Inc.
5950-00-419-7535154097 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5365-01-176-814716051 INTERCHANGEABLE
Spacer,ring
Middleby Marshall Inc Conveyor Ovens and Mixers Div
3120-01-193-9481 INTERCHANGEABLE
Bushing,sleeve
5120-01-422-1877602D1 INTERCHANGEABLE
Tool,installation
Howmet Global Fastening Systems Inc Div Rosan Products
8145-01-676-071116051 INTERCHANGEABLE
Shipping and Storage Container,m
Container Research Corp Dba Container Research Corp Div Containr Research Corporation
Cross-Reference Index
Part NumberManufacturer
1605-1 PRIMARY Reliable Tool & Machine Company, Inc. (USA)
Related Parts
6240-00-013-1282INTERCHANGEABLE
LAMP,INCANDESCENT
6610-00-181-4233INTERCHANGEABLE
FILTER ASSEMBLY
PB16051
5950-00-419-7535INTERCHANGEABLE
TRANSFORMER,POWER
154097
5365-01-176-8147INTERCHANGEABLE
SPACER,RING
16051
3120-01-193-9481INTERCHANGEABLE
BUSHING,SLEEVE
5120-01-422-1877INTERCHANGEABLE
TOOL,INSTALLATION
602D1
8145-01-676-0711INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,M
16051

Frequently Asked Questions

What is NSN 5340-01-540-1274?

NSN 5340-01-540-1274 is a Cap,protective,dust and Moisture, manufactured by Reliable Tool & Machine Company, Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-540-1274?

NSN 5340-01-540-1274 has 1 cross-referenced part number: 1605-1 (Reliable Tool & Machine Company, Inc.).

What NSN replaces 5340-01-540-1274?

There are 7 known substitutes for 5340-01-540-1274: 6240-00-013-1282, 6610-00-181-4233, 5950-00-419-7535 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1605-1?

Key specifications for 1605-1: Round Cap Outside Surface Condition: SMOOTH; End Item Identification: TRAILER,BOAT CAP; Overall Diameter: 6.500 INCHES MINIMUM AND 8.000 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: CAP,PROTECTIVE,DUST. 4 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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