PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15394Plug,protective,dust and Moistur

Williams International Co., L.l.c. · NSN 5340-00-477-1257 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-477-1257 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-477-1257. Primary manufacturer part number: 15394.
Features
  • Plug,protective,dust and Moistur — FSC 5340
  • Features Provided: BEVELED SEAT
  • Material: STEEL
  • Design Type: FRICTION
  • Material Document and Classification: AMS 5627 ASSN STD SINGLE MATERIAL RESPONSE
  • Opening Inside Diameter for Which Designed: 0.300 INCHES NOMINAL IN
  • Overall Diameter: 0.4065 INCHES MINIMUM AND 0.4070 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Applications requiring Steel construction
General Description

The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-00-477-1257, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 6 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
NSN5340-00-477-1257
Primary Part Number15394
Item NamePlug,protective,dust and Moistur
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Features ProvidedBEVELED SEAT
MaterialSTEEL
Design TypeFRICTION
Material Document and ClassificationAMS 5627 ASSN STD SINGLE MATERIAL RESPONSE
Opening Inside Diameter for Which Designed0.300 INCHES NOMINAL IN
Overall Diameter0.4065 INCHES MINIMUM AND 0.4070 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
4730-00-195-578315394 INTERCHANGEABLE
Union Joint
Hoist Liftruck Mfg Inc
5342-00-871-439015394 INTERCHANGEABLE
Bracket,receptable
Unison Industries Llc
3040-01-179-55522000-5394 INTERCHANGEABLE
Shaft,pinion
American Hofmann Corp
5950-01-416-8210102579 INTERCHANGEABLE
Transformer,power
Dbp Microwave Inc. Dba Dbp Microwave Inc.
Cross-Reference Index
Part NumberManufacturer
15394 PRIMARY Williams International Co., L.l.c. (USA)
Related Parts
4730-00-195-5783INTERCHANGEABLE
UNION JOINT
15394
5342-00-871-4390INTERCHANGEABLE
BRACKET,RECEPTABLE
15394
3040-01-179-5552INTERCHANGEABLE
SHAFT,PINION
2000-5394
5950-01-416-8210INTERCHANGEABLE
TRANSFORMER,POWER
102579

Frequently Asked Questions

What is NSN 5340-00-477-1257?

NSN 5340-00-477-1257 is a Plug,protective,dust and Moistur, manufactured by Williams International Co., L.l.c., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-477-1257?

NSN 5340-00-477-1257 has 1 cross-referenced part number: 15394 (Williams International Co., L.l.c.).

What NSN replaces 5340-00-477-1257?

There are 4 known substitutes for 5340-00-477-1257: 4730-00-195-5783, 5342-00-871-4390, 3040-01-179-5552 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15394?

Key specifications for 15394: Features Provided: BEVELED SEAT; Material: STEEL; Design Type: FRICTION; Material Document and Classification: AMS 5627 ASSN STD SINGLE MATERIAL RESPONSE. 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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