PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12570-1Heat Sink,electrical-Electronic

Boyd Corporation (woburn) Inc · NSN 5999-01-381-3576 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-381-3576 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-381-3576. Primary manufacturer part number: 12570-1.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 4 verified cross-references
  • Primary manufacturer: Boyd Corporation (woburn) Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-381-3576, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Boyd Corporation (woburn) Inc. This item has 4 commercial cross-references from 3 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
NSN5999-01-381-3576
Primary Part Number12570-1
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerBoyd Corporation (woburn) Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight3.0000 lbs
Cube0.1927 cu ft
Verified Substitutes 12
2520-00-128-0800 INTERCHANGEABLE
Collar Assembly
5120-00-132-1961 INTERCHANGEABLE
Inserter,electrical Contact
1560-00-532-931512570 INTERCHANGEABLE
Cover Assy,fuel Tan
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5935-00-570-61191251-0218 INTERCHANGEABLE
Retainer,electrical Connector
Keysight Technologies Inc
4920-00-626-389010378-1 INTERCHANGEABLE
Adapter,nipple
Elbitamerica, Inc.
5342-00-792-635011528 INTERCHANGEABLE
Plate
Audiosears Corp Dba Audiosears Corp
4330-01-017-832612570 INTERCHANGEABLE
Filter,cartridge
Gelman Sciences Inc
6515-01-169-1014 INTERCHANGEABLE
Suture,nonabsorbable,surgical
5330-01-277-61230-300-197-01 INTERCHANGEABLE
Seal,plain
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5331-01-446-1178125-70 INTERCHANGEABLE
O-Ring
Rix Industries
Cross-Reference Index
Part NumberManufacturer
12570 Boyd Corporation (woburn) Inc (USA)
12570-1 PRIMARY Boyd Corporation (woburn) Inc (USA)
103781 PRIMARY Lockhart Industries Inc (USA)
717511928-003 Lockheed Martin Corporation (USA)
Related Parts
2520-00-128-0800INTERCHANGEABLE
COLLAR ASSEMBLY
5120-00-132-1961INTERCHANGEABLE
INSERTER,ELECTRICAL CONTACT
1560-00-532-9315INTERCHANGEABLE
COVER ASSY,FUEL TAN
12570
5935-00-570-6119INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
1251-0218
4920-00-626-3890INTERCHANGEABLE
ADAPTER,NIPPLE
10378-1
5342-00-792-6350INTERCHANGEABLE
PLATE
11528
4330-01-017-8326INTERCHANGEABLE
FILTER,CARTRIDGE
12570
6515-01-169-1014INTERCHANGEABLE
SUTURE,NONABSORBABLE,SURGICAL
5330-01-277-6123INTERCHANGEABLE
SEAL,PLAIN
0-300-197-01
5331-01-446-1178INTERCHANGEABLE
O-RING
125-70
5340-01-497-3095INTERCHANGEABLE
RUNNER
12570
6695-01-513-6161INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP

Frequently Asked Questions

What is NSN 5999-01-381-3576?

NSN 5999-01-381-3576 is a Heat Sink,electrical-Electronic, manufactured by Boyd Corporation (woburn) Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-381-3576?

NSN 5999-01-381-3576 has 4 cross-referenced part numbers: 12570 (Boyd Corporation (woburn) Inc), 12570-1 (Boyd Corporation (woburn) Inc), 103781 (Lockhart Industries Inc), 717511928-003 (Lockheed Martin Corporation).

What NSN replaces 5999-01-381-3576?

There are 12 known substitutes for 5999-01-381-3576: 2520-00-128-0800, 5120-00-132-1961, 1560-00-532-9315 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12570-1?

Key specifications for 12570-1: End Item Identification: TARGET POD; End Item Identification: TARGET POD. 2 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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