PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AC5261-1Cap,protective,dust and Moisture

Alfa Laval Inc. · NSN 5340-00-218-5907 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-218-5907 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-218-5907. Primary manufacturer part number: AC5261-1.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • Thread Class: 2B
  • Inside Diameter Length: 0.615 INCHES NOMINAL IN
  • Design Type: THREADED
  • Overall Diameter: 1.395 INCHES NOMINAL IN
  • Thread Size and Series/type Designator: 1.000-8 UNIFIED NATIONAL COARSE (UNC)
  • Material: COPPER ALLOY
  • Round Cap Outside Surface Condition: SERRATED
Applications
  • Applications requiring Copper Alloy construction
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-218-5907, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-218-5907
Primary Part NumberAC5261-1
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAlfa Laval Inc.
StatusACTIVE
Thread Class2B
Inside Diameter Length0.615 INCHES NOMINAL IN
Design TypeTHREADED
Overall Diameter1.395 INCHES NOMINAL IN
Thread Size and Series/type Designator1.000-8 UNIFIED NATIONAL COARSE (UNC)
MaterialCOPPER ALLOY
Round Cap Outside Surface ConditionSERRATED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6515-01-463-6434 (3258)
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
6515-01-463-64343258 SUCCESSOR
Dilator,esophageal
Hobbs Medical, Inc.
5310-00-176-8171 INTERCHANGEABLE
Nut,plain,hexagon
5360-00-321-5835316767 INTERCHANGEABLE
Spring,helical,torsion
Chrysler Realty Company Llc Dba Daimler Chrysler
5365-00-394-16103258 INTERCHANGEABLE
Shim
Avox Systems Inc Dba Avox Systems Inc
5310-00-685-2246 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-786-8781325-8 INTERCHANGEABLE
Nut,plain,hexagon
Saginaw Products Corporation Dba Cignys
5310-00-912-0470 INTERCHANGEABLE
Strip,locking
5975-00-935-9617 INTERCHANGEABLE
Mounting Base,electrical Equipme
1560-00-962-3579 INTERCHANGEABLE
Weight,hood Flap
5310-01-027-5081325-8 INTERCHANGEABLE
Nut,plain,hexagon
Stewart Avionics Inc
Cross-Reference Index
Part NumberManufacturer
AC5261-1 Alfa Laval Inc. (USA)
3N135PC6 Alfa Laval Inc. (USA)
3N74PC325 Alfa Laval Inc. (USA)
3N150PC6 Alfa Laval Inc. (USA)
3N23-5PC325 Alfa Laval Inc. (USA)
3N193PC6 Alfa Laval Inc. (USA)
3N68PC325 Alfa Laval Inc. (USA)
NN98PC325 Alfa Laval Inc. (USA)
3N40PC325 Alfa Laval Inc. (USA)
3N177PC6 Alfa Laval Inc. (USA)
N27PC325 Alfa Laval Inc. (USA)
3N30PC325 Alfa Laval Inc. (USA)
3N144PC91 Alfa Laval Inc. (USA)
AA1135-1-1 Alfa Laval Inc. (USA)
3N82PC325 Alfa Laval Inc. (USA)
3N2PC325 Alfa Laval Inc. (USA)
3N51PC325 Alfa Laval Inc. (USA)
AC5261-2 Alfa Laval Inc. (USA)
3N170PC6 Alfa Laval Inc. (USA)
3N6PC325 Alfa Laval Inc. (USA)
Related Parts
SUCCESSOR 6515-01-463-6434 Dilator,esophageal · 3258
5310-00-176-8171INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5360-00-321-5835INTERCHANGEABLE
SPRING,HELICAL,TORSION
316767
5365-00-394-1610INTERCHANGEABLE
SHIM
3258
5310-00-685-2246INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-786-8781INTERCHANGEABLE
NUT,PLAIN,HEXAGON
325-8
5310-00-912-0470INTERCHANGEABLE
STRIP,LOCKING
5975-00-935-9617INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
1560-00-962-3579INTERCHANGEABLE
WEIGHT,HOOD FLAP
5310-01-027-5081INTERCHANGEABLE
NUT,PLAIN,HEXAGON
325-8
2920-01-103-6851INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
4145360
4710-01-190-3006INTERCHANGEABLE
TUBE ASSEMBLY,METAL
32-58137-76

Frequently Asked Questions

What is NSN 5340-00-218-5907?

NSN 5340-00-218-5907 is a Cap,protective,dust and Moisture, manufactured by Alfa Laval Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-218-5907?

NSN 5340-00-218-5907 has 32 cross-referenced part numbers: AC5261-1 (Alfa Laval Inc.), 3N135PC6 (Alfa Laval Inc.), 3N74PC325 (Alfa Laval Inc.), 3N150PC6 (Alfa Laval Inc.), 3N23-5PC325 (Alfa Laval Inc.) and 27 more.

What NSN replaces 5340-00-218-5907?

There are 12 known substitutes for 5340-00-218-5907: 6515-01-463-6434, 5310-00-176-8171, 5360-00-321-5835 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AC5261-1?

Key specifications for AC5261-1: Thread Class: 2B; Inside Diameter Length: 0.615 INCHES NOMINAL IN; Design Type: THREADED; Overall Diameter: 1.395 INCHES NOMINAL IN. 7 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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