PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

179NPRetainer,electrical Shield

Elco Manufacturing Co Inc · NSN 5999-00-644-5525 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-644-5525 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-644-5525. Primary manufacturer part number: 179NP.
Features
  • Retainer,electrical Shield — FSC 5999
  • Overall Diameter: 1.000 INCHES NOMINAL IN
  • Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Type and Quantity: 2 STUD(S) SINGLE MOUNTING FACILITY
  • Material: COPPER ALLOY
  • Accommodated Item Securing Device Type: TWIST LOCK
  • Style Designator: CYLINDRICAL W/RECTANGULAR OR SQUARE BASE
  • Surface Treatment: NICKEL
Applications
  • Applications requiring Copper Alloy construction
General Description

The Retainer,electrical Shield, cataloged under National Stock Number 5999-00-644-5525, 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 Elco Manufacturing Co Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5999-00-644-5525
Primary Part Number179NP
Item NameRetainer,electrical Shield
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerElco Manufacturing Co Inc
StatusCANCELLED
Overall Diameter1.000 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Type and Quantity2 STUD(S) SINGLE MOUNTING FACILITY
MaterialCOPPER ALLOY
Accommodated Item Securing Device TypeTWIST LOCK
Style DesignatorCYLINDRICAL W/RECTANGULAR OR SQUARE BASE
Surface TreatmentNICKEL
Overall Diameter1.000 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Type and Quantity2 STUD(S) SINGLE MOUNTING FACILITY
MaterialCOPPER ALLOY
Accommodated Item Securing Device TypeTWIST LOCK
Style DesignatorCYLINDRICAL W/RECTANGULAR OR SQUARE BASE
Surface TreatmentNICKEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
1650-00-135-75448413-3 INTERCHANGEABLE
Bell Crank,three Arm
Goodrich Aerospace Canada Ltd
5920-00-296-0451 INTERCHANGEABLE
Fuse,cartridge
5330-00-587-0148 INTERCHANGEABLE
Packing,preformed
5915-01-009-2010337-005-9002 INTERCHANGEABLE
Filter,radio Frequency Interfere
Honeywell International, Inc Div Aerospace-Tucson
1650-01-027-239184131 INTERCHANGEABLE
Guide,spring
Hydro-Aire Aerospace Corp
3040-01-097-20888413-1 INTERCHANGEABLE
Disc,brake
Kearfott Corp Div Kearfott Corporation
Cross-Reference Index
Part NumberManufacturer
179NP PRIMARY Elco Manufacturing Co Inc (USA)
337-005 Tektronix, Inc. (USA)
337-0005-00 Tektronix, Inc. (USA)
84-13-1 Martin a Roy (USA)
Related Parts
1650-00-135-7544INTERCHANGEABLE
BELL CRANK,THREE ARM
8413-3
5920-00-296-0451INTERCHANGEABLE
FUSE,CARTRIDGE
5330-00-587-0148INTERCHANGEABLE
PACKING,PREFORMED
5915-01-009-2010INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
337-005-9002
1650-01-027-2391INTERCHANGEABLE
GUIDE,SPRING
84131
3040-01-097-2088INTERCHANGEABLE
DISC,BRAKE
8413-1

Frequently Asked Questions

What is NSN 5999-00-644-5525?

NSN 5999-00-644-5525 is a Retainer,electrical Shield, manufactured by Elco Manufacturing Co Inc, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-644-5525?

NSN 5999-00-644-5525 has 4 cross-referenced part numbers: 179NP (Elco Manufacturing Co Inc), 337-005 (Tektronix, Inc.), 337-0005-00 (Tektronix, Inc.), 84-13-1 (Martin a Roy).

What NSN replaces 5999-00-644-5525?

There are 6 known substitutes for 5999-00-644-5525: 1650-00-135-7544, 5920-00-296-0451, 5330-00-587-0148 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 179NP?

Key specifications for 179NP: Overall Height: 0.625 INCHES NOMINAL IN; Overall Diameter: 1.000 INCHES NOMINAL IN; Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Facility Type and Quantity: 2 STUD(S) SINGLE MOUNTING FACILITY. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-644-5525 still in active supply?

NSN 5999-00-644-5525 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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