PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6125Test Cap,aircraft Maintenance

Fluid Power, Inc. · NSN 4920-00-972-0976 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-972-0976 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-972-0976. Primary manufacturer part number: 6125.
Features
  • Test Cap,aircraft Maintenance — FSC 4920
  • 3 verified cross-references
  • Primary manufacturer: Fluid Power, Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Cap,aircraft Maintenance, cataloged under National Stock Number 4920-00-972-0976, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Fluid Power, Inc.. This item has 3 commercial cross-references from 3 manufacturers, 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
NSN4920-00-972-0976
Primary Part Number6125
Item NameTest Cap,aircraft Maintenance
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerFluid Power, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-099-34018192999 INTERCHANGEABLE
Guard,mechanical Drive
Us Army Aviation and Missile Command
3110-00-100-355828150 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Texas Foundries Inc
3455-00-293-052508880 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
5955-00-525-5697154029P5 INTERCHANGEABLE
Crystal Unit,quartz
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5930-00-755-32236125 INTERCHANGEABLE
Switch,push
Haydon Kerk Motion Solutions, Inc. Dba Haydon Kerk Motion Solutions Inc Div Haydon Kerk
5330-00-843-72516125 INTERCHANGEABLE
Packing,preformed
Unimasco Inc
5935-00-970-7903 INTERCHANGEABLE
Connector,receptacle,electrical
4730-01-134-36551949-6125MOD INTERCHANGEABLE
Elbow,flange
Wheeler Fleet Solutions, Co.
3110-01-178-15436-1-25 INTERCHANGEABLE
Bearing
Stein Inc
7025-01-262-7070005-18552 INTERCHANGEABLE
Transport,magnetic Tape
Data General Corporation
Cross-Reference Index
Part NumberManufacturer
6125 PRIMARY Fluid Power, Inc. (USA)
HS9453-100 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
HS9453-100 Kell-Strom Tool International, Inc. (USA)
Related Parts
3020-00-099-3401INTERCHANGEABLE
GUARD,MECHANICAL DRIVE
8192999
3110-00-100-3558INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
28150
3455-00-293-0525INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08880
5955-00-525-5697INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
154029P5
5930-00-755-3223INTERCHANGEABLE
SWITCH,PUSH
6125
5330-00-843-7251INTERCHANGEABLE
PACKING,PREFORMED
6125
5935-00-970-7903INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4730-01-134-3655INTERCHANGEABLE
ELBOW,FLANGE
1949-6125MOD
3110-01-178-1543INTERCHANGEABLE
BEARING
6-1-25
7025-01-262-7070INTERCHANGEABLE
TRANSPORT,MAGNETIC TAPE
005-18552
5340-01-290-8533INTERCHANGEABLE
HARDWARE KIT,SHOP SET INSTALLATI
6125
4440-01-346-9873INTERCHANGEABLE
RETAINER,DEHYDRATOR SCREEN
6125B-G501

Frequently Asked Questions

What is NSN 4920-00-972-0976?

NSN 4920-00-972-0976 is a Test Cap,aircraft Maintenance, manufactured by Fluid Power, Inc., classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-972-0976?

NSN 4920-00-972-0976 has 3 cross-referenced part numbers: 6125 (Fluid Power, Inc.), HS9453-100 (Hamilton Sundstrand Corporation Dba Collins Aerospace), HS9453-100 (Kell-Strom Tool International, Inc.).

What NSN replaces 4920-00-972-0976?

There are 12 known substitutes for 4920-00-972-0976: 3020-00-099-3401, 3110-00-100-3558, 3455-00-293-0525 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6125?

Key specifications for 6125: Special Features: ASSIGNED NAME: CAP,PRESSURE TEST; TUBE SIZE 1.0 IN IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com