PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J7889Protector,pole

Joslyn Corp · NSN 4030-00-292-3148 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-292-3148 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-292-3148. Primary manufacturer part number: J7889.
Features
  • Protector,pole — FSC 4030
  • Mounting Hole Quantity: 3
  • Surface Treatment: ZINC
  • Material Thickness: 0.250 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.562 INCHES NOMINAL IN
  • Material: STEEL
  • Mounting Facility: UNTHREADED HOLE(S)
  • 2 verified cross-references
Applications
  • Applications requiring Steel construction
General Description

The Protector,pole, cataloged under National Stock Number 4030-00-292-3148, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Joslyn Corp. Government technical data includes 6 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4030-00-292-3148
Primary Part NumberJ7889
Item NameProtector,pole
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerJoslyn Corp
StatusCANCELLED
Mounting Hole Quantity3
Surface TreatmentZINC
Material Thickness0.250 INCHES NOMINAL IN
Mounting Hole Diameter0.562 INCHES NOMINAL IN
MaterialSTEEL
Mounting FacilityUNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5930-00-221-89411124-17 INTERCHANGEABLE
Switch,push
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
6145-00-548-27428898BLACK INTERCHANGEABLE
Wire,electrical
Belden Wire and Cable Co Wire and Cable Office
5930-00-733-29481432 INTERCHANGEABLE
Switch,rotary
Cole Instrument Corp
6145-00-889-80707104-TC INTERCHANGEABLE
Cable,telephone
Almo Wire & Cable, Inc.
6145-00-918-9494 INTERCHANGEABLE
Cable,radio Frequency
4320-00-969-1713 INTERCHANGEABLE
Rotor,impeller,pump
6635-01-109-03518898 INTERCHANGEABLE
Demagnetizer
Hydro-Aire Aerospace Corp
7690-01-566-1012ABO-21 INTERCHANGEABLE
Label
Shamrock Scientific Specialty Systems, Llc
Cross-Reference Index
Part NumberManufacturer
8898 Hubbard and Company (USA)
J7889 PRIMARY Joslyn Corp (USA)
Related Parts
5930-00-221-8941INTERCHANGEABLE
SWITCH,PUSH
1124-17
6145-00-548-2742INTERCHANGEABLE
WIRE,ELECTRICAL
8898BLACK
5930-00-733-2948INTERCHANGEABLE
SWITCH,ROTARY
1432
6145-00-889-8070INTERCHANGEABLE
CABLE,TELEPHONE
7104-TC
6145-00-918-9494INTERCHANGEABLE
CABLE,RADIO FREQUENCY
4320-00-969-1713INTERCHANGEABLE
ROTOR,IMPELLER,PUMP
6635-01-109-0351INTERCHANGEABLE
DEMAGNETIZER
8898
7690-01-566-1012INTERCHANGEABLE
LABEL
ABO-21

Frequently Asked Questions

What is NSN 4030-00-292-3148?

NSN 4030-00-292-3148 is a Protector,pole, manufactured by Joslyn Corp, classified under FSC 4030 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4030-00-292-3148?

NSN 4030-00-292-3148 has 2 cross-referenced part numbers: 8898 (Hubbard and Company), J7889 (Joslyn Corp).

What NSN replaces 4030-00-292-3148?

There are 8 known substitutes for 4030-00-292-3148: 5930-00-221-8941, 6145-00-548-2742, 5930-00-733-2948 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J7889?

Key specifications for J7889: Overall Length: 7.000 INCHES NOMINAL IN; Mounting Hole Quantity: 3; Surface Treatment: ZINC; Material Thickness: 0.250 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4030-00-292-3148 still in active supply?

NSN 4030-00-292-3148 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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