PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221ATest Set,recorder,signal Data

Lockheed Martin Corporation · NSN 6625-01-333-9148 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-333-9148 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-333-9148. Primary manufacturer part number: 221A.
Features
  • Test Set,recorder,signal Data — FSC 6625
  • Electrical Power Source Relationship: OPERATING
  • Height: 8.375 INCHES NOMINAL IN
  • AC Voltage Rating: 115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
  • Enclosure Feature: SINGLE ITEM W/HOUSING
  • Length: 11.000 INCHES NOMINAL IN
  • Width: 10.125 INCHES NOMINAL IN
  • Reference Data and Literature: T.O. 33D7-12-164-1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Set,recorder,signal Data, cataloged under National Stock Number 6625-01-333-9148, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corporation. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-333-9148
Primary Part Number221A
Item NameTest Set,recorder,signal Data
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLockheed Martin Corporation
StatusACTIVE
Electrical Power Source RelationshipOPERATING
Height8.375 INCHES NOMINAL IN
AC Voltage Rating115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Enclosure FeatureSINGLE ITEM W/HOUSING
Length11.000 INCHES NOMINAL IN
Width10.125 INCHES NOMINAL IN
Reference Data and LiteratureT.O. 33D7-12-164-1
Test Type for Which DesignedFUNCTIONAL
Frequency Rating400.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED
PhaseSINGLE
Supplementary Features-309 DIFFERS FROM -307 ONLY IN THE POSITION OF THE JUMPER AT POSITION E1,E2,& E3; USED IN MODEL 221A DIGITAL FLIGHT DATA RECORDER A
Electrical Power Source RelationshipOPERATING
Height8.375 INCHES NOMINAL IN
AC Voltage Rating115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Enclosure FeatureSINGLE ITEM W/HOUSING
Length11.000 INCHES NOMINAL IN
Width10.125 INCHES NOMINAL IN
Reference Data and LiteratureT.O. 33D7-12-164-1
Test Type for Which DesignedFUNCTIONAL
Frequency Rating400.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED
PhaseSINGLE
Supplementary Features-309 DIFFERS FROM -307 ONLY IN THE POSITION OF THE JUMPER AT POSITION E1,E2,& E3; USED IN MODEL 221A DIGITAL FLIGHT DATA RECORDER A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeVS
Weight1.0000 lbs
Cube0.6111 cu ft
Verified Substitutes 3
Test Set,recorder,signal Data
2640-00-555-2825221-A INTERCHANGEABLE
Valve,pneumatic Tire
Bridgeport-Piedmont Mfg Co Div of Bridge Products Inc
6675-00-952-747745J102 INTERCHANGEABLE
Table,drawing
Hamilton Mfg Co
Cross-Reference Index
Part NumberManufacturer
221A Lockheed Martin Corporation (USA)
10077A860-309 Ilsc Holdings Lc (USA)
221A Lockheed Martin Corporation Dba Lm Aeronautics Company (USA)
10077A860-309 Lockheed Martin Corporation Dba Lm Aeronautics Company (USA)
Related Parts
6625-01-141-7361SUCCESSOR
TEST SET,RECORDER,SIGNAL DATA
2640-00-555-2825INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
221-A
6675-00-952-7477INTERCHANGEABLE
TABLE,DRAWING
45J102

Frequently Asked Questions

What is NSN 6625-01-333-9148?

NSN 6625-01-333-9148 is a Test Set,recorder,signal Data, manufactured by Lockheed Martin Corporation, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-333-9148?

NSN 6625-01-333-9148 has 4 cross-referenced part numbers: 221A (Lockheed Martin Corporation), 10077A860-309 (Ilsc Holdings Lc), 221A (Lockheed Martin Corporation Dba Lm Aeronautics Company), 10077A860-309 (Lockheed Martin Corporation Dba Lm Aeronautics Company).

What NSN replaces 6625-01-333-9148?

There are 3 known substitutes for 6625-01-333-9148: 6625-01-141-7361, 2640-00-555-2825, 6675-00-952-7477. Verify interchangeability with system specifications before substitution.

What are the specifications of 221A?

Key specifications for 221A: Electrical Power Source Relationship: OPERATING; Height: 8.375 INCHES NOMINAL IN; AC Voltage Rating: 115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Special Features: PORTABLE. 24 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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