PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19256Bolometer,radio Frequency

Telephonics Corp/prd Instruments · NSN 6625-00-325-7521 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-325-7521 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-325-7521. Primary manufacturer part number: 19256.
Features
  • Bolometer,radio Frequency — FSC 6625
  • Overall Diameter: 0.234 INCHES NOMINAL IN
  • Battery Case: NOT PROVIDED
  • Tuning Device Adjustment Method: ANY ACCEPTABLE
  • Inductive Pickup Loop Type: FIXED
  • Overall Diameter: 0.234 INCHES NOMINAL IN
  • Battery Case: NOT PROVIDED
  • Tuning Device Adjustment Method: ANY ACCEPTABLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bolometer,radio Frequency, cataloged under National Stock Number 6625-00-325-7521, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Telephonics Corp/prd Instruments. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-325-7521
Primary Part Number19256
Item NameBolometer,radio Frequency
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerTelephonics Corp/prd Instruments
StatusACTIVE
Overall Diameter0.234 INCHES NOMINAL IN
Battery CaseNOT PROVIDED
Tuning Device Adjustment MethodANY ACCEPTABLE
Inductive Pickup Loop TypeFIXED
Overall Diameter0.234 INCHES NOMINAL IN
Battery CaseNOT PROVIDED
Tuning Device Adjustment MethodANY ACCEPTABLE
Inductive Pickup Loop TypeFIXED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight0.0100 lbs
Cube0.0162 cu ft
Verified Substitutes 11
5999-01-111-5757TXCF-032-025CB SUCCESSOR
Heat Sink,electrical-Electronic
Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
5945-00-010-1401HP848500 INTERCHANGEABLE
Solenoid,electrical
Tactair Fluid Controls Inc
9540-00-595-64575436 INTERCHANGEABLE
Angle,structural
Aluminum Co of America
5330-00-716-2905CV15-410425-21 INTERCHANGEABLE
Seal
Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division
7830-01-083-93072712 INTERCHANGEABLE
Rowing Machine
Concept2, Inc
4730-01-137-74745436 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
5930-01-152-71035436 INTERCHANGEABLE
Switch,electrical
Watts Heating and Hot Water Solutions Llc Dba Pvi Industries Llc
5935-01-171-240219256 INTERCHANGEABLE
Connector,receptacle,electrical
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5325-01-336-69295436 INTERCHANGEABLE
Grommet,nonmetallic
Atlantic India Rubber Co Inc
5120-01-428-4759 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
5436 Mercury Commercial Electronics, Inc. Dba Micronetics (USA)
19256 Peraton Inc (USA)
631F Peraton Inc (USA)
19256 PRIMARY Telephonics Corp/prd Instruments (USA)
631F Telephonics Corp/prd Instruments (USA)
Related Parts
5999-01-111-5757SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
TXCF-032-025CB
5945-00-010-1401INTERCHANGEABLE
SOLENOID,ELECTRICAL
HP848500
9540-00-595-6457INTERCHANGEABLE
ANGLE,STRUCTURAL
5436
5330-00-716-2905INTERCHANGEABLE
SEAL
CV15-410425-21
7830-01-083-9307INTERCHANGEABLE
ROWING MACHINE
2712
4730-01-137-7474INTERCHANGEABLE
CLAMP,HOSE
5436
5930-01-152-7103INTERCHANGEABLE
SWITCH,ELECTRICAL
5436
5935-01-171-2402INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
19256
5325-01-336-6929INTERCHANGEABLE
GROMMET,NONMETALLIC
5436
5120-01-428-4759INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4730-01-547-8609INTERCHANGEABLE
FITTING,LUBRICATION
19256

Frequently Asked Questions

What is NSN 6625-00-325-7521?

NSN 6625-00-325-7521 is a Bolometer,radio Frequency, manufactured by Telephonics Corp/prd Instruments, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-325-7521?

NSN 6625-00-325-7521 has 5 cross-referenced part numbers: 5436 (Mercury Commercial Electronics, Inc. Dba Micronetics), 19256 (Peraton Inc), 631F (Peraton Inc), 19256 (Telephonics Corp/prd Instruments), 631F (Telephonics Corp/prd Instruments).

What NSN replaces 6625-00-325-7521?

There are 11 known substitutes for 6625-00-325-7521: 5999-01-111-5757, 5945-00-010-1401, 9540-00-595-6457 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19256?

Key specifications for 19256: Overall Diameter: 0.234 INCHES NOMINAL IN; Overall Length: 1.250 INCHES NOMINAL IN; Battery Case: NOT PROVIDED; Tuning Device Adjustment Method: ANY ACCEPTABLE. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com