PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21310Circuit Card Assembly

Network Equipment Technologies Inc · NSN 5998-01-476-8931 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-476-8931 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-476-8931. Primary manufacturer part number: 21310.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Network Equipment Technologies Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-476-8931, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Network Equipment Technologies Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-01-476-8931
Primary Part Number21310
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNetwork Equipment Technologies Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight1.5000 lbs
Cube0.1042 cu ft
Verified Substitutes 12
Cable,radio Frequency
3110-00-156-142421310 INTERCHANGEABLE
Bearing,roller,self-Aligning
Skf Usa Inc.
2805-00-356-130121310 INTERCHANGEABLE
Body,breather Valve
Briggs and Stratton Corp
4720-00-451-2727213-10 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
5945-00-476-1194860-204 INTERCHANGEABLE
Relay
Ranco Inc Ranco Controls Div
1005-00-499-438721310 INTERCHANGEABLE
Yoke Assembly,booster
Safran Power Usa Llc
4730-00-537-930121310 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
5331-00-599-242721310 INTERCHANGEABLE
O-Ring
L3harris Technologies, Inc. Div Space and Airborne Systems
5999-00-636-817421-310 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5355-00-914-653321310 INTERCHANGEABLE
Dial,scale
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
21310 PRIMARY Network Equipment Technologies Inc (USA)
Related Parts
6145-00-553-7822SUCCESSOR
CABLE,RADIO FREQUENCY
3110-00-156-1424INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
21310
2805-00-356-1301INTERCHANGEABLE
BODY,BREATHER VALVE
21310
4720-00-451-2727INTERCHANGEABLE
HOSE,NONMETALLIC
213-10
5945-00-476-1194INTERCHANGEABLE
RELAY
860-204
1005-00-499-4387INTERCHANGEABLE
YOKE ASSEMBLY,BOOSTER
21310
4730-00-537-9301INTERCHANGEABLE
EXPANSION JOINT,PIPE
21310
5331-00-599-2427INTERCHANGEABLE
O-RING
21310
5999-00-636-8174INTERCHANGEABLE
CONTACT,ELECTRICAL
21-310
5355-00-914-6533INTERCHANGEABLE
DIAL,SCALE
21310
4730-01-348-0629INTERCHANGEABLE
REDUCER,HOSE
21310
6060-01-348-5030INTERCHANGEABLE
SPLICE,FIBER OPTIC CONDUCTOR
21300

Frequently Asked Questions

What is NSN 5998-01-476-8931?

NSN 5998-01-476-8931 is a Circuit Card Assembly, manufactured by Network Equipment Technologies Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-476-8931?

NSN 5998-01-476-8931 has 1 cross-referenced part number: 21310 (Network Equipment Technologies Inc).

What NSN replaces 5998-01-476-8931?

There are 12 known substitutes for 5998-01-476-8931: 6145-00-553-7822, 3110-00-156-1424, 2805-00-356-1301 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21310?

Key specifications for 21310: Part Name Assigned by Controlling Agency: SATELLITE TRUNK CARD, SA-TRK; Special Features: PROVIDES ASYMMETRIC TRUNKING CAPABILITY (TRANSMIT AND RECEIVE TRUNK RATES DO NOT HAVE TO BE THE SAME); End Item Identification: PROMINA 800 MAINFRAME; Part Name Assigned by Controlling Agency: SATELLITE TRUNK CARD, SA-TRK. 6 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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