PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4524Absorber,radio Frequency Radiati

Laird R & F Products, Inc. · NSN 6625-01-573-6008 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-573-6008 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-573-6008. Primary manufacturer part number: 4524.
Features
  • Absorber,radio Frequency Radiati — FSC 6625
  • Reference Data and Literature: SCD 520-13900
  • Overall Thickness: 1.500 INCHES NOMINAL IN
  • Special Test Features: CALLED OUT IN SOURCE CONTROL DRAWING
  • Frequency Rating: 4.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
  • Reference Data and Literature: SCD 520-13900
  • Overall Thickness: 1.500 INCHES NOMINAL IN
  • Special Test Features: CALLED OUT IN SOURCE CONTROL DRAWING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Absorber,radio Frequency Radiati, cataloged under National Stock Number 6625-01-573-6008, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Laird R & F Products, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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: SH.

Technical Specifications
ParameterValue
NSN6625-01-573-6008
Primary Part Number4524
Item NameAbsorber,radio Frequency Radiati
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLaird R & F Products, Inc.
StatusACTIVE
Reference Data and LiteratureSCD 520-13900
Overall Thickness1.500 INCHES NOMINAL IN
Special Test FeaturesCALLED OUT IN SOURCE CONTROL DRAWING
Frequency Rating4.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
Reference Data and LiteratureSCD 520-13900
Overall Thickness1.500 INCHES NOMINAL IN
Special Test FeaturesCALLED OUT IN SOURCE CONTROL DRAWING
Frequency Rating4.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueSH
SMR CodeZN
Weight3.0000 lbs
Cube0.5000 cu ft
Verified Substitutes 12
Meter,audio Level
5310-00-012-0423100153 INTERCHANGEABLE
Washer,lock
Mcculloch Corp
6240-00-155-8654 INTERCHANGEABLE
Lamp,incandescent
5830-00-489-95614524 INTERCHANGEABLE
Intercommunication Station
Danfoss Inc
4520-00-997-9932 INTERCHANGEABLE
Heating Element,electrical,nonim
1680-01-101-9116 INTERCHANGEABLE
Guide Plug
5985-01-348-43891700AS1366-3 INTERCHANGEABLE
Attenuator,fixed
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5210-01-434-9758452-4 INTERCHANGEABLE
Caliper,outside
General Tools Manufacturing Co., Llc.
6105-01-498-82684524 INTERCHANGEABLE
Plate,stator Support Phelon
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
5120-01-562-08124524 INTERCHANGEABLE
Extension Set,socket Wrench
S K Hand Tool Corp
Cross-Reference Index
Part NumberManufacturer
520-13900-3 The Boeing Company Div Legacy Wichita (USA)
4524 PRIMARY Laird R & F Products, Inc. (USA)
Related Parts
6625-00-866-9195SUCCESSOR
METER,AUDIO LEVEL
5310-00-012-0423INTERCHANGEABLE
WASHER,LOCK
100153
6240-00-155-8654INTERCHANGEABLE
LAMP,INCANDESCENT
5830-00-489-9561INTERCHANGEABLE
INTERCOMMUNICATION STATION
4524
4520-00-997-9932INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
1680-01-101-9116INTERCHANGEABLE
GUIDE PLUG
5985-01-348-4389INTERCHANGEABLE
ATTENUATOR,FIXED
1700AS1366-3
5210-01-434-9758INTERCHANGEABLE
CALIPER,OUTSIDE
452-4
6105-01-498-8268INTERCHANGEABLE
PLATE,STATOR SUPPORT PHELON
4524
5120-01-562-0812INTERCHANGEABLE
EXTENSION SET,SOCKET WRENCH
4524
6105-01-589-1215INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
WEC-4524-07-TEF
5998-01-696-4042INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
4524

Frequently Asked Questions

What is NSN 6625-01-573-6008?

NSN 6625-01-573-6008 is a Absorber,radio Frequency Radiati, manufactured by Laird R & F Products, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-573-6008?

NSN 6625-01-573-6008 has 2 cross-referenced part numbers: 520-13900-3 (The Boeing Company Div Legacy Wichita), 4524 (Laird R & F Products, Inc.).

What NSN replaces 6625-01-573-6008?

There are 12 known substitutes for 6625-01-573-6008: 6625-00-866-9195, 5310-00-012-0423, 6240-00-155-8654 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4524?

Key specifications for 4524: Part Name Assigned by Controlling Agency: RADAR ABSORBER MATERIAL; Reference Data and Literature: SCD 520-13900; Special Features: 1.5IN CONVOLUTED RAM; REFLECTIVITY LESS THAN -13DB BETWEEN 4 AND 6GHZ, -20DB BETWEEN 6 AND 10GHZ, 25DB BETWEEN 10 AND 18GHZ GHz; Overall Thickness: 1.500 INCHES NOMINAL IN. 18 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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