PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3891Cap,carrier

Kearflex Engineering Company · NSN 6610-01-216-9515 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-01-216-9515 — this item is cataloged by the U.S. Government under National Stock Number 6610-01-216-9515. Primary manufacturer part number: 3891.
Features
  • Cap,carrier — FSC 6610
  • 1 verified cross-reference
  • Primary manufacturer: Kearflex Engineering Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,carrier, cataloged under National Stock Number 6610-01-216-9515, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Kearflex Engineering Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCap,carrier
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersKearflex Engineering Company (CAGE 26136)
Technical Specifications
ParameterValue
NSN6610-01-216-9515
Primary Part Number3891
Item NameCap,carrier
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerKearflex Engineering Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6210-00-176-6074389-1 INTERCHANGEABLE
Light,indicator
Itt Schadow Inc
6810-00-234-8377 INTERCHANGEABLE
Sodium Sulfate,anhydrous
5905-00-244-81063891 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5945-00-247-5851 INTERCHANGEABLE
Solenoid,electrical
5120-00-248-66663891 INTERCHANGEABLE
Socket,crowfoot Wrench Head
Wta Tool Llc
5950-00-393-1516 INTERCHANGEABLE
Coil,radio Frequency
4730-00-585-2618 INTERCHANGEABLE
Cap,pipe
5340-00-598-27413891 INTERCHANGEABLE
Bumper
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
6515-01-466-2030 INTERCHANGEABLE
Protector,orthopedic Cast
4520-01-579-9647 INTERCHANGEABLE
Heating Element,electrical,immer
Cross-Reference Index
Part NumberManufacturer
3891 PRIMARY Kearflex Engineering Company (USA)
Related Parts
6210-00-176-6074INTERCHANGEABLE
LIGHT,INDICATOR
389-1
6810-00-234-8377INTERCHANGEABLE
SODIUM SULFATE,ANHYDROUS
5905-00-244-8106INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
3891
5945-00-247-5851INTERCHANGEABLE
SOLENOID,ELECTRICAL
5120-00-248-6666INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
3891
5950-00-393-1516INTERCHANGEABLE
COIL,RADIO FREQUENCY
4730-00-585-2618INTERCHANGEABLE
CAP,PIPE
5340-00-598-2741INTERCHANGEABLE
BUMPER
3891
6515-01-466-2030INTERCHANGEABLE
PROTECTOR,ORTHOPEDIC CAST
4520-01-579-9647INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER

Frequently Asked Questions

What is NSN 6610-01-216-9515?

NSN 6610-01-216-9515 is a Cap,carrier, manufactured by Kearflex Engineering Company, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-01-216-9515?

NSN 6610-01-216-9515 has 1 cross-referenced part number: 3891 (Kearflex Engineering Company).

What NSN replaces 6610-01-216-9515?

There are 10 known substitutes for 6610-01-216-9515: 6210-00-176-6074, 6810-00-234-8377, 5905-00-244-8106 and 7 more. Verify interchangeability with system specifications before substitution.

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