PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16503Electronic Components Assembly

Lh Enterprise · NSN 5998-01-118-1691 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-118-1691 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-118-1691. Primary manufacturer part number: 16503.
Features
  • Electronic Components Assembly — FSC 5998
  • 3 verified cross-references
  • Primary manufacturer: Lh Enterprise
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Electronic Components Assembly, cataloged under National Stock Number 5998-01-118-1691, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lh Enterprise. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-01-118-1691
Primary Part Number16503
Item NameElectronic Components Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerLh Enterprise
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor7025-01-616-4843 (16503)
HAZMATNo
Verified Substitutes 8
7025-01-616-484316503 SUCCESSOR
Interface Unit,data Transfer
Extreme Networks, Inc
5330-00-383-198516503 INTERCHANGEABLE
Gasket
Johnson Controls, Inc Div Building Efficiency
5310-00-630-5006A16503 INTERCHANGEABLE
Nut,plain,square
Aerocontrolex Group, Inc. Div Talley Actuators
3040-00-834-108516503 INTERCHANGEABLE
Shaft,shouldered
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5330-01-126-096516-503 INTERCHANGEABLE
Gasket
Rix Industries
4820-01-218-6680165-03 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6515-01-589-787160.240.205 INTERCHANGEABLE
Rack,bone Plating Instruments
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5440-01-729-766416503 INTERCHANGEABLE
Ladder,extension
Atlas Devices, Llc Div Atlas Devices
Cross-Reference Index
Part NumberManufacturer
16503 Lh Enterprise (USA)
SD16503 Lh Enterprise (USA)
101-016503-001 Lh Enterprise (USA)
Related Parts
SUCCESSOR 7025-01-616-4843 Interface Unit,data Transfer · 16503
5330-00-383-1985INTERCHANGEABLE
GASKET
16503
5310-00-630-5006INTERCHANGEABLE
NUT,PLAIN,SQUARE
A16503
3040-00-834-1085INTERCHANGEABLE
SHAFT,SHOULDERED
16503
5330-01-126-0965INTERCHANGEABLE
GASKET
16-503
4820-01-218-6680INTERCHANGEABLE
SEAT,VALVE
165-03
6515-01-589-7871INTERCHANGEABLE
RACK,BONE PLATING INSTRUMENTS
60.240.205
5440-01-729-7664INTERCHANGEABLE
LADDER,EXTENSION
16503

Frequently Asked Questions

What is NSN 5998-01-118-1691?

NSN 5998-01-118-1691 is a Electronic Components Assembly, manufactured by Lh Enterprise, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-118-1691?

NSN 5998-01-118-1691 has 3 cross-referenced part numbers: 16503 (Lh Enterprise), SD16503 (Lh Enterprise), 101-016503-001 (Lh Enterprise).

What NSN replaces 5998-01-118-1691?

There are 8 known substitutes for 5998-01-118-1691: 7025-01-616-4843, 5330-00-383-1985, 5310-00-630-5006 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16503?

Key specifications for 16503: Overall Width: 4.562 INCHES NOMINAL IN; Overall Height: 1.000 INCHES NOMINAL IN; Special Features: CAPACITOR 76,COIL 16,CRYSTAL 1,DIODE 7,MICROCIRCUIT 1,PRINTED WIRING BOARD 3,RESISTOR 99,TRANSFORMER 2,TRANSISTOR 21; Overall Length: 14.000 INCHES NOMINAL IN. 8 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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