PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1.250-17Cap,protective,dust and Moisture

Sinclair & Rush, Inc. Dba Sinclair & Rush Inc · NSN 5340-00-168-7273 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-168-7273 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-168-7273. Primary manufacturer part number: 1.250-17.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Round Cap Outside Surface Condition: SMOOTH
  • Design Type: FRICTION
  • Overall Diameter: 1.380 INCHES NOMINAL IN
  • Material: PLASTIC VINYL
  • Tube Outside Diameter for Which Designed: 1.250 INCHES NOMINAL IN
  • Inside Diameter Length: 1.062 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Applications requiring Plastic Vinyl construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-168-7273, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sinclair & Rush, Inc. Dba Sinclair & Rush Inc. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-168-7273
Primary Part Number1.250-17
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSinclair & Rush, Inc. Dba Sinclair & Rush Inc
StatusACTIVE
Round Cap Outside Surface ConditionSMOOTH
Design TypeFRICTION
Overall Diameter1.380 INCHES NOMINAL IN
MaterialPLASTIC VINYL
Tube Outside Diameter for Which Designed1.250 INCHES NOMINAL IN
Inside Diameter Length1.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
6105-00-078-2558125-017 INTERCHANGEABLE
Motor-Tachometer Generator
Mpc Products Corporation Dba Woodward Mpc, Inc.
5310-00-185-6460 INTERCHANGEABLE
Nut,plain,round
5310-00-186-9341 INTERCHANGEABLE
Nut,self-Locking,wing
5330-00-420-5856125017 INTERCHANGEABLE
Packing,preformed
Thermo Power Corp Engine Div
Cross-Reference Index
Part NumberManufacturer
1.250-17 PRIMARY Sinclair & Rush, Inc. Dba Sinclair & Rush Inc (USA)
1-250-1 1-161L Sinclair & Rush, Inc. Dba Sinclair & Rush Inc (USA)
1549704-7 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
Related Parts
6105-00-078-2558INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
125-017
5310-00-185-6460INTERCHANGEABLE
NUT,PLAIN,ROUND
5310-00-186-9341INTERCHANGEABLE
NUT,SELF-LOCKING,WING
5330-00-420-5856INTERCHANGEABLE
PACKING,PREFORMED
125017

Frequently Asked Questions

What is NSN 5340-00-168-7273?

NSN 5340-00-168-7273 is a Cap,protective,dust and Moisture, manufactured by Sinclair & Rush, Inc. Dba Sinclair & Rush Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-168-7273?

NSN 5340-00-168-7273 has 3 cross-referenced part numbers: 1.250-17 (Sinclair & Rush, Inc. Dba Sinclair & Rush Inc), 1-250-1 1-161L (Sinclair & Rush, Inc. Dba Sinclair & Rush Inc), 1549704-7 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site).

What NSN replaces 5340-00-168-7273?

There are 4 known substitutes for 5340-00-168-7273: 6105-00-078-2558, 5310-00-185-6460, 5310-00-186-9341 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1.250-17?

Key specifications for 1.250-17: Round Cap Outside Surface Condition: SMOOTH; Design Type: FRICTION; Overall Diameter: 1.380 INCHES NOMINAL IN; Material: PLASTIC VINYL. 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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