PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49421Adapter,test

Naval Ship Systems Command · NSN 6625-00-263-3154 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-263-3154 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-263-3154. Primary manufacturer part number: 49421.
Features
  • Adapter,test — FSC 6625
  • Material: PLASTIC CASE
  • Overall Diameter: 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
  • Test Item Connection Method: INTEGRAL CONNECTORINTEGRAL CONNECTOR
  • Material: PLASTIC CASE
  • Overall Diameter: 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
  • Test Item Connection Method: INTEGRAL CONNECTORINTEGRAL CONNECTOR
  • 5 verified cross-references
Applications
  • Applications requiring Plastic Case construction
General Description

The Adapter,test, cataloged under National Stock Number 6625-00-263-3154, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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
NSN6625-00-263-3154
Primary Part Number49421
Item NameAdapter,test
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
MaterialPLASTIC CASE
Overall Diameter1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
Test Item Connection MethodINTEGRAL CONNECTORINTEGRAL CONNECTOR
MaterialPLASTIC CASE
Overall Diameter1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN
Test Item Connection MethodINTEGRAL CONNECTORINTEGRAL CONNECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 12
5305-00-017-9843 INTERCHANGEABLE
Screw,cap,hexagon Head
5930-00-108-70061520230-2 INTERCHANGEABLE
Switch,toggle
Te Connectivity Corporation
6240-00-193-0934988 INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
2805-00-383-9015005852 INTERCHANGEABLE
Valve,poppet,engine
Caterpillar Inc Div Caterpillar Defense
1730-00-391-7932988-010 INTERCHANGEABLE
Jack,hydraulic,tripod
Columbus Jack Corporation Div Columbus Jack
1660-00-487-0075 INTERCHANGEABLE
Valve Assy-Check---
4730-00-640-1172 INTERCHANGEABLE
Strainer,sediment
5330-00-657-28671060 INTERCHANGEABLE
Gasket Head
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
7530-00-724-6300 INTERCHANGEABLE
Paperboard,drawing
5330-00-758-069520125 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
988 Lucent Technologies Inc Corporate Headquarters (USA)
988 At and T Corp (USA)
988 Lucent Technologies Inc Dba Federal Marketing Group (USA)
49421 PRIMARY Naval Ship Systems Command (USA)
988 American Telephone and Telegraph Co (USA)
Related Parts
5305-00-017-9843INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5930-00-108-7006INTERCHANGEABLE
SWITCH,TOGGLE
1520230-2
6240-00-193-0934INTERCHANGEABLE
LAMP,INCANDESCENT
988
2805-00-383-9015INTERCHANGEABLE
VALVE,POPPET,ENGINE
005852
1730-00-391-7932INTERCHANGEABLE
JACK,HYDRAULIC,TRIPOD
988-010
1660-00-487-0075INTERCHANGEABLE
VALVE ASSY-CHECK---
4730-00-640-1172INTERCHANGEABLE
STRAINER,SEDIMENT
5330-00-657-2867INTERCHANGEABLE
GASKET HEAD
1060
7530-00-724-6300INTERCHANGEABLE
PAPERBOARD,DRAWING
5330-00-758-0695INTERCHANGEABLE
SEAL,PLAIN ENCASED
20125
4730-00-883-0461INTERCHANGEABLE
STRAINER,SEDIMENT
4930-00-975-9541INTERCHANGEABLE
OILER,HAND
8690

Frequently Asked Questions

What is NSN 6625-00-263-3154?

NSN 6625-00-263-3154 is a Adapter,test, manufactured by Naval Ship Systems Command, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-263-3154?

NSN 6625-00-263-3154 has 5 cross-referenced part numbers: 988 (Lucent Technologies Inc Corporate Headquarters), 988 (At and T Corp), 988 (Lucent Technologies Inc Dba Federal Marketing Group), 49421 (Naval Ship Systems Command), 988 (American Telephone and Telegraph Co).

What NSN replaces 6625-00-263-3154?

There are 12 known substitutes for 6625-00-263-3154: 5305-00-017-9843, 5930-00-108-7006, 6240-00-193-0934 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49421?

Key specifications for 49421: Material: PLASTIC CASE; Overall Diameter: 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN; Overall Length: 1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN; Test Item Connection Method: INTEGRAL CONNECTORINTEGRAL CONNECTOR. 8 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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