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21174 — COIL,RADIO FREQUENCY

✓ Government record, cited
Legrand · MRO · MRO_GENERAL
PRODUCT OVERVIEW

21174: COIL,RADIO FREQUENCY.

Gaming notebook cooling stand with silent, extra-large, red illuminated fan and sturdy metal housing - Keeps your notebook cool to increase performance - Extra-large red illuminated fan - Silent, USB powered cooling fan - Adjustable fan speed control - USB loop through port - For notebooks up to 17.3" This part is cataloged in the U.S. Government catalog under NSN 4720-00-202-6716, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 21174
NSN: 4720-00-202-6716
NIINs: 002026716, 002182310, 002484271, 002546215, 004317281, 004324075, 010743938, 010978509, 011495443, 013708149
FSC: 4720 — Hose and Flexible Tubing
CAGE: 81043 — HURST INDUSTRIES INC (USA)
SPECIFICATIONS
overall_width1.130 INCHES NOMINAL IN
overall_height0.130 INCHES NOMINAL IN
overall_length3.370 INCHES NOMINAL IN
end_item_identification6625-01-355-4087
part_name_assigned_by_controlling_agencyCIRCUIT CARD ASSEMBLY PROGRAMMED ROMCARD
NSN4720-00-202-6716
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 21174 · Legrand ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FSC APPLICATION DATA: FIRE FIGHTINGEQUIPMENT
•
MEASURING METHOD AND LENGTH: 120.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
•
CONNECTION STYLE: PLAIN SECOND END
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
LAYER COMPOSITION AND LOCATION: 2ND LAYER HELIX STEEL COIL AND OUTER LAYER MOLDED RUBBER
•
CONNECTION TYPE: THREADED INTERNAL HOSE FIRST END
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAFIRE FIGHTINGEQUIPMENT
MEASURING METHOD AND LENGTH120.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
CONNECTION STYLEPLAIN SECOND END
CONNECTION STYLESWIVEL NUT, GASKET SEAL FIRST END
END CONNECTION DESIGNSTRAIGHT FIRST END
END CONNECTION DESIGNSTRAIGHT SECOND END
LAYER COMPOSITION AND LOCATION2ND LAYER HELIX STEEL COIL AND OUTER LAYER MOLDED RUBBER
CONNECTION TYPETHREADED INTERNAL HOSE FIRST END
CONNECTION TYPETHREADED EXTERNAL HOSE SECOND END
CROSS-SECTIONAL SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 5
AA59566-BB104510FSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MReference document
Same NSN cross-reference
Reference document — Secondary reference
ZZ-H-561Reference document
Same NSN cross-reference
Reference document — Secondary reference
10A68-2324Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-59566Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21174?
21174 is a COIL,RADIO FREQUENCY manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21174?
There are 5 known substitutes for 21174: AA59566-BB104510F, M, ZZ-H-561 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21174?
21174 is cataloged in the U.S. Government catalog under NSN 4720-00-202-6716. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.