PartsTable
Technical Data Sheet
PartsTable / MRO / 21661
21661 ✓ Verified by PartsTable
Trust · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

High quality over-ear headset with adjustable soft padded headband and cushioned ear pads for maximum comfort<br><br>- Works with all PCs and laptops<br>- Ideal for online gaming sessions, enjoying music and using voice chat applications such as Skype<br>- Sensitive microphone with flexible design, providing clear speech quality<br>- Great sound quality<br>- Inline volume control<br>- 1.8 meter cable This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-920-3734, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 21661
NSN: 5999-00-920-3734
FSC: 5999
CAGE: 25549 — LITTON SYSTEMS INC AMECOM DIV (USA)
SPECIFICATIONS
power_sourceEXTERNAL
indicator_typeDIAL W/POINTER
frequency_rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM
special_featuresSEALED METAL CASE, GLASS WINDOW
measurement_range+0.0 TO 1.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
accuracy_in_percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
installation_designPANEL
operating_voltage_rating_in_volts108.0 AC MINIMUM AND 132.0 AC MAXIMUM
circuit_current_for_which_designedDC
NSN5999-00-920-3734
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 21661 MFR Trust FILTER,RADIO FREQUENCY INTERFERE
KEY FEATURES
•
MATERIAL: PLASTIC DIALLYL PHTHALATE
•
COLOR: BLACK
•
OVERALL DIAMETER: 0.344 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.075 INCHES MAXIMUM IN
MATERIALPLASTIC DIALLYL PHTHALATE
COLORBLACK
OVERALL DIAMETER0.344 INCHES NOMINAL IN
OVERALL LENGTH0.075 INCHES MAXIMUM IN
MATERIALPLASTIC DIALLYL PHTHALATE
COLORBLACK
OVERALL DIAMETER0.344 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
21661Upgraded Successor
successor cross-reference
successor
4-06317-002Interchangeable
interchangeable cross-reference
interchangeable
SP246Interchangeable
interchangeable cross-reference
interchangeable
99121661Interchangeable
interchangeable cross-reference
interchangeable
42516N-116116-03850Interchangeable
interchangeable cross-reference
interchangeable
02516N-116-116-03850Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21661?
21661 is a FILTER,RADIO FREQUENCY INTERFERE manufactured by Trust. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21661?
There are 8 known substitutes for 21661: 21661, 4-06317-002, SP246 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21661?
21661 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-920-3734. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026