PartsTable TECHNICAL DATA SHEET

NSN 5865-01-501-4259Government record, cited

Heat Exchanger, Hydr5865-01-501-4259

NSN 5865-01-501-4259 · NIIN 015014259 · Part number PF6957G1

Boyd Corporation (woburn) Inc · FSC 5865 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 11245

Government record, cited

NSN 5865-01-501-4259 — this item is cataloged by the U.S. Government under National Stock Number 5865-01-501-4259. Manufacturer of record part number: PF6957G1.

Also searched as 5865-01-501-4259 · 5865015014259 · NIIN 015014259 · 01-501-4259 · FSC 5865 Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment · CAGE 11245 · PF6957G1 · C-PF6957G1

Nearby stock numbers ← 5865-01-501-3745 · 5865-01-501-8725 Receiver-Transmitter, Countermeas →

Features

Heat Exchanger,hydr — FSC 5865
1 manufacturer part number on file
Manufacturer of record: Boyd Corporation (woburn) Inc

Identification

NSN: 5865-01-501-4259
NIIN: 015014259
FSC: 5865 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: PF6957G1
Manufacturer: Boyd Corporation (woburn) Inc

General Description

The Heat Exchanger,hydr, cataloged under National Stock Number 5865-01-501-4259, is classified within Federal Supply Class 5865 (Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Boyd Corporation (woburn) Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Heat Exchanger,hydr
FSC / FSG	5865 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment (FSG 58)
Manufacturers	Boyd Corporation (woburn) Inc (CAGE 11245)

Technical Specifications

Parameter	Value
NSN	5865-01-501-4259
Primary Part Number	PF6957G1
Item Name	Heat Exchanger,hydr
FSC / FSG	5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment
Manufacturer	Boyd Corporation (woburn) Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
PF6957G1 PRIMARY	Boyd Corporation (woburn) Inc (USA)

Reference documents

Reference	Meaning
C-PF6957G1	D/9 Drawing number reference only Boyd Corporation (woburn) Inc

No interchangeability data on file.

Other items in FSC 5865 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5865-00-001-1582

5865-00-001-1582 · Item name not on file

5865-00-001-1771

ADAPTER,INTERFACE

5865-00-001-1772

5865-00-001-1772 · Item name not on file

5865-00-001-1787

5865-00-001-1787 · Item name not on file

5865-00-001-1788

5865-00-001-1788 · Item name not on file

5865-00-001-1807

5865-00-001-1807 · Item name not on file

5865-00-001-1808

5865-00-001-1808 · Item name not on file

5865-00-001-1811

5865-00-001-1811 · Item name not on file

Frequently Asked Questions

What is NSN 5865-01-501-4259?

NSN 5865-01-501-4259 is a Heat Exchanger,hydr, manufactured by Boyd Corporation (woburn) Inc, classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.

What part numbers are listed for NSN 5865-01-501-4259?

NSN 5865-01-501-4259 has 1 manufacturer part number on file: PF6957G1 (Boyd Corporation (woburn) Inc).

Is NSN 5865-01-501-4259 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 5865-01-501-4259?

NSN 5865-01-501-4259 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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