PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H-505-APanel,power Distribution

The Whitmor Co. Inc. Div the Whitmor Comapny Inc. · NSN 6110-00-646-4421 · FSC 6110 · No Item Name Available
Verified by PartsTable
NSN 6110-00-646-4421 — this item is cataloged by the U.S. Government under National Stock Number 6110-00-646-4421. Primary manufacturer part number: H-505-A.
Features
  • Panel,power Distribution — FSC 6110
  • Nondefinitive Spec/std Data: I TYPE AND 2 CLASS
  • 10 verified cross-references
  • Primary manufacturer: The Whitmor Co. Inc. Div the Whitmor Comapny Inc.
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Panel,power Distribution, cataloged under National Stock Number 6110-00-646-4421, is classified within Federal Supply Class 6110 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is The Whitmor Co. Inc. Div the Whitmor Comapny Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6110-00-646-4421
Primary Part NumberH-505-A
Item NamePanel,power Distribution
FSC / FSG6110 / 61 — No Item Name Available
ManufacturerThe Whitmor Co. Inc. Div the Whitmor Comapny Inc.
StatusCANCELLED
Nondefinitive Spec/std DataI TYPE AND 2 CLASS
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6110-01-493-8136 (700560-05-308)
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
No Item Name Available
Panel,power Distribution
6110-01-310-7169M23928/1-13 TE SUCCESSOR
Panel,power Distribution
The Whitmor Co. Inc. Div the Whitmor Comapny Inc.
6110-01-493-8136700560-05-308 SUCCESSOR
Panel,power Distribution
L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation
6110-00-295-2745 INTERCHANGEABLE
Panel,power Distribution
6110-00-295-2747 INTERCHANGEABLE
Panel,power Distribution
5130-00-429-8109H50-5 INTERCHANGEABLE
Piston
Ingersoll Rand Co Athens Plant
6110-00-690-7693 INTERCHANGEABLE
Panel,power Distribution
6110-00-990-6165 INTERCHANGEABLE
Panel,power Distribution
6110-00-990-6166 INTERCHANGEABLE
Panel,power Distribution
Cross-Reference Index
Part NumberManufacturer
H-505-A The Whitmor Co. Inc. Div the Whitmor Comapny Inc. (USA)
M23928/1-03 TE Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SYM999.3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-23928/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SYM 999.2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-23928 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
815-1197126REVASYM999-3 Naval Ship Systems Command (USA)
H-505 The Whitmor Co. Inc. Div the Whitmor Comapny Inc. (USA)
700564-04-208 L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA)
MIL-P-23928 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6110-01-493-8136 Panel,power Distribution · 700560-05-308
6110-00-646-3988SUCCESSOR
NO ITEM NAME AVAILABLE
6110-01-310-3809SUCCESSOR
PANEL,POWER DISTRIBUTION
6110-01-310-7169SUCCESSOR
PANEL,POWER DISTRIBUTION
M23928/1-13 TE
6110-00-295-2745INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
6110-00-295-2747INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
5130-00-429-8109INTERCHANGEABLE
PISTON
H50-5
6110-00-690-7693INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
6110-00-990-6165INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
6110-00-990-6166INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
6110-01-174-0048INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
6110-01-175-3157INTERCHANGEABLE
PANEL,POWER DISTRIBUTION

Frequently Asked Questions

What is NSN 6110-00-646-4421?

NSN 6110-00-646-4421 is a Panel,power Distribution, manufactured by The Whitmor Co. Inc. Div the Whitmor Comapny Inc., classified under FSC 6110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6110-00-646-4421?

NSN 6110-00-646-4421 has 10 cross-referenced part numbers: H-505-A (The Whitmor Co. Inc. Div the Whitmor Comapny Inc.), M23928/1-03 TE (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SYM999.3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-23928/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SYM 999.2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 6110-00-646-4421?

There are 12 known substitutes for 6110-00-646-4421: 6110-00-646-3988, 6110-01-310-3809, 6110-01-310-7169 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H-505-A?

Key specifications for H-505-A: Special Features: 12 CIRCUITS; 400 AMP; 125VAC; SINGLE PHASE; 50,000 AMP SHORT CIRCUIT CAPACITY; THREE 1X1/4 IN. COPPER BUS BARS; DESIGNED FOR TYPE ALB-1 AND NLB-1 CIRCUIT BREAKERS IAW MIL-C-17588; CIRCUIT BREAKERS NOT INCLUDED; ALUMINUM ENCLOSURE; TOTALLY ENCLOSED; O/A DIM.; 28.50 IN. H; 15.44 IN. W; 6.50 IN DEEP; BULKHEAD MTG; SIX UNTHD MTG HOLES; 9/16 IN. DIA; RECTANGULAR PATTERN; 2 ROWS OF 3 EACH SPACED 6 IN. C TO C; 13.44 IN. CL TO CL ROWS VAC; Nondefinitive Spec/std Data: I TYPE AND 2 CLASS. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6110-00-646-4421 still in active supply?

NSN 6110-00-646-4421 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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