PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20163Brake Assembly,airc

Sepac, Inc. Dba Sepac Inc · NSN 1680-01-578-2603 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-578-2603 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-578-2603. Primary manufacturer part number: 20163.
Features
  • Brake Assembly,airc — FSC 1680
  • 1 verified cross-reference
  • Primary manufacturer: Sepac, Inc. Dba Sepac Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Brake Assembly,airc, cataloged under National Stock Number 1680-01-578-2603, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Sepac, Inc. Dba Sepac Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBrake Assembly,airc
FSC / FSG1680 — No Item Name Available (FSG 16)
ManufacturersSepac, Inc. Dba Sepac Inc (CAGE 1CA62)
Technical Specifications
ParameterValue
NSN1680-01-578-2603
Primary Part Number20163
Item NameBrake Assembly,airc
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerSepac, Inc. Dba Sepac Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2520-00-033-9372 INTERCHANGEABLE
Cap,seal,bottom Rea
2910-00-209-153520228 INTERCHANGEABLE
Weight Retainer Assembly
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6350-00-263-4661 INTERCHANGEABLE
Bell,electrical
6220-00-488-753920163 INTERCHANGEABLE
Casting Assembly
Grimes Aerospace Company
3110-00-555-522637-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5920-01-139-0861HPM INTERCHANGEABLE
Fuseholder,extractor Post
Cooper Bussmann, Llc Dba Cooper Industries
1680-01-152-6269 INTERCHANGEABLE
Strap,seat
4920-01-297-973020163 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
5310-01-462-477320163 INTERCHANGEABLE
Washer,key
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
1080-01-564-10142016-3 INTERCHANGEABLE
Case,carrying,camouflage
Saab Barracuda Llc
Cross-Reference Index
Part NumberManufacturer
20163 PRIMARY Sepac, Inc. Dba Sepac Inc (USA)
Related Parts
2520-00-033-9372INTERCHANGEABLE
CAP,SEAL,BOTTOM REA
2910-00-209-1535INTERCHANGEABLE
WEIGHT RETAINER ASSEMBLY
20228
6350-00-263-4661INTERCHANGEABLE
BELL,ELECTRICAL
6220-00-488-7539INTERCHANGEABLE
CASTING ASSEMBLY
20163
3110-00-555-5226INTERCHANGEABLE
BEARING,BALL,ANNULAR
37-1B1
5920-01-139-0861INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
HPM
1680-01-152-6269INTERCHANGEABLE
STRAP,SEAT
4920-01-297-9730INTERCHANGEABLE
TEST PROGRAM SET
20163
5310-01-462-4773INTERCHANGEABLE
WASHER,KEY
20163
1080-01-564-1014INTERCHANGEABLE
CASE,CARRYING,CAMOUFLAGE
2016-3
5340-01-583-8892INTERCHANGEABLE
COVER,PENDANT HEAD
20163

Frequently Asked Questions

What is NSN 1680-01-578-2603?

NSN 1680-01-578-2603 is a Brake Assembly,airc, manufactured by Sepac, Inc. Dba Sepac Inc, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-578-2603?

NSN 1680-01-578-2603 has 1 cross-referenced part number: 20163 (Sepac, Inc. Dba Sepac Inc).

What NSN replaces 1680-01-578-2603?

There are 11 known substitutes for 1680-01-578-2603: 2520-00-033-9372, 2910-00-209-1535, 6350-00-263-4661 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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