PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11181Plug,pipe

Arvinmeritor Inc · NSN 4730-00-849-2697 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-849-2697 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-849-2697. Primary manufacturer part number: 11181.
Features
  • Plug,pipe — FSC 4730
  • Thread Class: 2A EXTERNAL A
  • Drive End Style: RAISED SQUARE
  • Thread Series Designator: NPT EXTERNAL
  • Nominal Pipe Size for Which Designed: 0.375 INCHES IN
  • Material: COPPER ALLOY OVERALL
  • Thread Quantity Per Inch: 18 EXTERNAL
  • Thread Direction: RIGHT-HAND EXTERNAL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Plug,pipe, cataloged under National Stock Number 4730-00-849-2697, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Arvinmeritor Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-849-2697
Primary Part Number11181
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerArvinmeritor Inc
StatusACTIVE
Thread Class2A EXTERNAL A
Drive End StyleRAISED SQUARE
Thread Series DesignatorNPT EXTERNAL
Nominal Pipe Size for Which Designed0.375 INCHES IN
MaterialCOPPER ALLOY OVERALL
Thread Quantity Per Inch18 EXTERNAL
Thread DirectionRIGHT-HAND EXTERNAL
Nominal Thread Size0.375 INCHES EXTERNAL IN
Connection StylePLAIN
Body TypeSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-363-64322245 INTERCHANGEABLE
Pin,adjusting Lock
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5950-00-426-66364008548 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
5355-01-168-87021-1181 INTERCHANGEABLE
Knob
L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation
5330-01-187-4902CA6392-22 CRES INTERCHANGEABLE
Retainer,packing
Air & Liquid Systems Corporation Dba Buffalo Pumps
4820-01-312-50831118-1 INTERCHANGEABLE
Retainer,seat,valve
R & D Machine Rafael Anaya Div Defense Logistics Agency
5365-01-336-967711181 INTERCHANGEABLE
Plug,machine Thread
Husco International Inc
5940-01-363-8218 INTERCHANGEABLE
Terminal,lug
5315-01-418-2310287-10 INTERCHANGEABLE
Pin,straight,headed
Bee Industries
Cross-Reference Index
Part NumberManufacturer
NPH-28-25 Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
11181 PRIMARY Arvinmeritor Inc (USA)
NPH-28-25 Howden Fan Co (CAN)
Related Parts
5315-00-363-6432INTERCHANGEABLE
PIN,ADJUSTING LOCK
2245
5950-00-426-6636INTERCHANGEABLE
TRANSFORMER,POWER
4008548
5355-01-168-8702INTERCHANGEABLE
KNOB
1-1181
5330-01-187-4902INTERCHANGEABLE
RETAINER,PACKING
CA6392-22 CRES
4820-01-312-5083INTERCHANGEABLE
RETAINER,SEAT,VALVE
1118-1
5365-01-336-9677INTERCHANGEABLE
PLUG,MACHINE THREAD
11181
5940-01-363-8218INTERCHANGEABLE
TERMINAL,LUG
5315-01-418-2310INTERCHANGEABLE
PIN,STRAIGHT,HEADED
287-10

Frequently Asked Questions

What is NSN 4730-00-849-2697?

NSN 4730-00-849-2697 is a Plug,pipe, manufactured by Arvinmeritor Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-849-2697?

NSN 4730-00-849-2697 has 3 cross-referenced part numbers: NPH-28-25 (Air & Liquid Systems Corporation Dba Buffalo Pumps), 11181 (Arvinmeritor Inc), NPH-28-25 (Howden Fan Co).

What NSN replaces 4730-00-849-2697?

There are 8 known substitutes for 4730-00-849-2697: 5315-00-363-6432, 5950-00-426-6636, 5355-01-168-8702 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11181?

Key specifications for 11181: Thread Class: 2A EXTERNAL A; Drive End Style: RAISED SQUARE; Thread Series Designator: NPT EXTERNAL; Nominal Pipe Size for Which Designed: 0.375 INCHES IN. 10 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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