PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

39M4503Holder,electrical Card

Name: 39M4503
SKU: 5998-01-555-4630

International Business Machines Corporation Dba IBM · NSN 5998-01-555-4630 · FSC 5998 · Circuit Card Assembly

Verified by PartsTable

NSN 5998-01-555-4630 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-555-4630. Primary manufacturer part number: 39M4503.

5998-01-555-4630 — Circuit Card Assembly illustration

Features

Holder,electrical Card — FSC 5998
4 verified cross-references
Primary manufacturer: International Business Machines Corporation Dba IBM

Applications

Industrial maintenance and repair
Government and military logistics
Equipment overhaul and refurbishment

General Description

The Holder,electrical Card, cataloged under National Stock Number 5998-01-555-4630, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is International Business Machines Corporation Dba IBM. This item has 4 commercial cross-references from 2 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

Parameter	Value
NSN	5998-01-555-4630
Primary Part Number	39M4503
Item Name	Holder,electrical Card
FSC / FSG	5998 / 59 — Circuit Card Assembly
Manufacturer	International Business Machines Corporation Dba IBM
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No
Shelf Life Code	0
SMR Code	C

⇄ Verified Substitutes 7

5950-00-105-75619448A-2 INTERCHANGEABLE

Transformer,power

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit

5905-00-622-1527914105-1 INTERCHANGEABLE

Resistor,variable,nonwire Wound,

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp

2940-00-830-3885C64 INTERCHANGEABLE

Filter Element,fluid

Honeywell International Inc Dba Honeywell Div Consumer Products Group

4940-01-166-52605290 INTERCHANGEABLE

Silencer Bands,drum

Hennessy Industries, Llc.

3110-01-183-55805290 INTERCHANGEABLE

Bearing,ball,annular

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.

6625-01-270-86295290 INTERCHANGEABLE

Test Set Subassembly,electrical

Hose-Mccann Telephone Co, Inc

4130-01-324-2999 INTERCHANGEABLE

Filter Element,air Conditioning

Cross-Reference Index

Part Number	Manufacturer
5290	International Business Machines Corporation Dba IBM (USA)
39M4503 PRIMARY	International Business Machines Corporation Dba IBM (USA)
4365-MC1-5290	Lockheed Martin Services, Llc (USA)
42C0450	International Business Machines Corporation Dba IBM (USA)

Related Parts

5950-00-105-7561INTERCHANGEABLE

TRANSFORMER,POWER

9448A-2

5905-00-622-1527INTERCHANGEABLE

RESISTOR,VARIABLE,NONWIRE WOUND,

914105-1

2940-00-830-3885INTERCHANGEABLE

FILTER ELEMENT,FLUID

C64

4940-01-166-5260INTERCHANGEABLE

SILENCER BANDS,DRUM

5290

3110-01-183-5580INTERCHANGEABLE

BEARING,BALL,ANNULAR

5290

6625-01-270-8629INTERCHANGEABLE

TEST SET SUBASSEMBLY,ELECTRICAL

5290

4130-01-324-2999INTERCHANGEABLE

FILTER ELEMENT,AIR CONDITIONING

Frequently Asked Questions

What is NSN 5998-01-555-4630?

NSN 5998-01-555-4630 is a Holder,electrical Card, manufactured by International Business Machines Corporation Dba IBM, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-555-4630?

NSN 5998-01-555-4630 has 4 cross-referenced part numbers: 5290 (International Business Machines Corporation Dba IBM), 39M4503 (International Business Machines Corporation Dba IBM), 4365-MC1-5290 (Lockheed Martin Services, Llc), 42C0450 (International Business Machines Corporation Dba IBM).

What NSN replaces 5998-01-555-4630?

There are 7 known substitutes for 5998-01-555-4630: 5950-00-105-7561, 5905-00-622-1527, 2940-00-830-3885 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39M4503?

Key specifications for 39M4503: End Item Identification: ENROUTE AUTOMATION MODERNIZATION; Part Name Assigned by Controlling Agency: 80 GB 7200 RPM 3.5 INCH SIMPLE SWAP SATA HDD GB; End Item Identification: ENROUTE AUTOMATION MODERNIZATION; Part Name Assigned by Controlling Agency: 80 GB 7200 RPM 3.5 INCH SIMPLE SWAP SATA HDD GB. 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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