PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40140Bracket,earphone

Roanwell, Llc · NSN 5965-00-858-5398 · FSC 5965 · No Item Name Available
Verified by PartsTable
NSN 5965-00-858-5398 — this item is cataloged by the U.S. Government under National Stock Number 5965-00-858-5398. Primary manufacturer part number: 40140.
Features
  • Bracket,earphone — FSC 5965
  • FSC Application Data: HEADSETS,HANDSETS,MICROPHONES AND SPEAKERS
  • General Characteristics Item Description: STAINLESS STEEL; SUPPORTS AND MOUNTS SHELL,EARPHONE MX-3678/AIC INTO HELMET,FLYING HGU-2/P: ARM OF BRACKET IS SPRING LOADED
  • Fragility Factor: MODERATELY RUGGED
  • 4 verified cross-references
  • Primary manufacturer: Roanwell, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bracket,earphone, cataloged under National Stock Number 5965-00-858-5398, is classified within Federal Supply Class 5965 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Roanwell, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5965-00-858-5398
Primary Part Number40140
Item NameBracket,earphone
FSC / FSG5965 / 59 — No Item Name Available
ManufacturerRoanwell, Llc
StatusACTIVE
FSC Application DataHEADSETS,HANDSETS,MICROPHONES AND SPEAKERS
General Characteristics Item DescriptionSTAINLESS STEEL; SUPPORTS AND MOUNTS SHELL,EARPHONE MX-3678/AIC INTO HELMET,FLYING HGU-2/P: ARM OF BRACKET IS SPRING LOADED
Fragility FactorMODERATELY RUGGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-035-787840-140 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
3110-00-100-0801 INTERCHANGEABLE
Cup,tapered Roller Bearing
3455-00-224-364010190 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5330-00-594-6321 INTERCHANGEABLE
Seal,plain Encased
5330-00-850-792240140 INTERCHANGEABLE
Gasket
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
6760-00-891-220440140 INTERCHANGEABLE
Lens,recording
Recon/optical, Inc. Dba Pacific Optical
6525-01-258-243040140 INTERCHANGEABLE
Cleaner,x-Ray Film Processor
Air Techniques, Inc.
2530-01-324-940740-140 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
5120-01-428-4778 INTERCHANGEABLE
Socket,socket Wrench
8040-01-533-811740140 INTERCHANGEABLE
Adhesive
Loctite Corp
Cross-Reference Index
Part NumberManufacturer
MT-2621/A1C Joint Electronics Type Designation System (USA)
61C21706 Rome Air Material Area Griffiss Air Force Base (USA)
TMC12-588-6 Astro-Technik Gmbh (DEU)
40140 PRIMARY Roanwell, Llc (USA)
Related Parts
5999-00-035-7878INTERCHANGEABLE
CONTACT,ELECTRICAL
40-140
3110-00-100-0801INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3455-00-224-3640INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10190
5330-00-594-6321INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-850-7922INTERCHANGEABLE
GASKET
40140
6760-00-891-2204INTERCHANGEABLE
LENS,RECORDING
40140
6525-01-258-2430INTERCHANGEABLE
CLEANER,X-RAY FILM PROCESSOR
40140
2530-01-324-9407INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
40-140
5120-01-428-4778INTERCHANGEABLE
SOCKET,SOCKET WRENCH
8040-01-533-8117INTERCHANGEABLE
ADHESIVE
40140
6105-01-562-5824INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
40140
5310-01-604-6818INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
40140

Frequently Asked Questions

What is NSN 5965-00-858-5398?

NSN 5965-00-858-5398 is a Bracket,earphone, manufactured by Roanwell, Llc, classified under FSC 5965 (No Item Name Available). Status: active.

What are the part numbers for NSN 5965-00-858-5398?

NSN 5965-00-858-5398 has 4 cross-referenced part numbers: MT-2621/A1C (Joint Electronics Type Designation System), 61C21706 (Rome Air Material Area Griffiss Air Force Base), TMC12-588-6 (Astro-Technik Gmbh), 40140 (Roanwell, Llc).

What NSN replaces 5965-00-858-5398?

There are 12 known substitutes for 5965-00-858-5398: 5999-00-035-7878, 3110-00-100-0801, 3455-00-224-3640 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40140?

Key specifications for 40140: FSC Application Data: HEADSETS,HANDSETS,MICROPHONES AND SPEAKERS; General Characteristics Item Description: STAINLESS STEEL; SUPPORTS AND MOUNTS SHELL,EARPHONE MX-3678/AIC INTO HELMET,FLYING HGU-2/P: ARM OF BRACKET IS SPRING LOADED; Fragility Factor: MODERATELY RUGGED. 3 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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