PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100331Cover,junction Box

Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense · NSN 5975-01-339-2140 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-01-339-2140 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-339-2140. Primary manufacturer part number: 100331.
Features
  • Cover,junction Box — FSC 5975
  • Cover Attachment Method: SCREW
  • Style Designator: RECTANGULAR-RAISED-SIDE-CORNER MOUNTED
  • Cover Mounting Hole Quantity: 8
  • 4 verified cross-references
  • Primary manufacturer: Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,junction Box, cataloged under National Stock Number 5975-01-339-2140, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-01-339-2140
Primary Part Number100331
Item NameCover,junction Box
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerPage Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
StatusACTIVE
Cover Attachment MethodSCREW
Style DesignatorRECTANGULAR-RAISED-SIDE-CORNER MOUNTED
Cover Mounting Hole Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5355-00-060-5683 INTERCHANGEABLE
Knob
5330-00-456-6039100331 INTERCHANGEABLE
Retainer,packing
Woodward Hrt Inc
6685-00-526-9283A3670 INTERCHANGEABLE
Gage,pressure,dial Indicating
Metadure Parts & Sales, Inc.
6685-00-628-4205100106 INTERCHANGEABLE
Gage,pressure,dial Indicating
Metadure Parts & Sales, Inc.
5920-01-060-7689 INTERCHANGEABLE
Fuseholder,extractor Post
5130-01-320-1140 INTERCHANGEABLE
Lower Center Plate
5995-01-514-7667100 331 INTERCHANGEABLE
Cable Assembly,power,electrical
International Met Systems Inc Dba Intermet Systems
Cross-Reference Index
Part NumberManufacturer
100331/701914 Unison Industries, Llc Dba Unison Industries Inc (USA)
100331 PRIMARY Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
100331/701914 Unison Industries Llc (USA)
100331/701914 Unison Industries Inc. (USA)
Related Parts
5355-00-060-5683INTERCHANGEABLE
KNOB
5330-00-456-6039INTERCHANGEABLE
RETAINER,PACKING
100331
6685-00-526-9283INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
A3670
6685-00-628-4205INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
100106
5920-01-060-7689INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5130-01-320-1140INTERCHANGEABLE
LOWER CENTER PLATE
5995-01-514-7667INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
100 331

Frequently Asked Questions

What is NSN 5975-01-339-2140?

NSN 5975-01-339-2140 is a Cover,junction Box, manufactured by Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-01-339-2140?

NSN 5975-01-339-2140 has 4 cross-referenced part numbers: 100331/701914 (Unison Industries, Llc Dba Unison Industries Inc), 100331 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense), 100331/701914 (Unison Industries Llc), 100331/701914 (Unison Industries Inc.).

What NSN replaces 5975-01-339-2140?

There are 7 known substitutes for 5975-01-339-2140: 5355-00-060-5683, 5330-00-456-6039, 6685-00-526-9283 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100331?

Key specifications for 100331: Cover Attachment Method: SCREW; End Item Identification: J85; Style Designator: RECTANGULAR-RAISED-SIDE-CORNER MOUNTED; Cover Mounting Hole Quantity: 8. 4 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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