251-1209-2 — OSCILLATOR,CRYSTAL CONTROLLED

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

251-1209-2: OSCILLATOR,CRYSTAL CONTROLLED.

The OSCILLATOR,CRYSTAL CONTROLLED is a the manufacturer industrial component. Key specifications include drive_size: 3.50, design_type: HARD DISK, unit_design: INTERNAL, drive_height: HALF, power_source: EXTERNAL, overall_width: 4.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5955-01-037-1686, 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→ 251-1209-2

NSN: 5955-01-037-1686
NIINs: 010371686, 013835879
FSC: 5955 — Oscillators and Piezoelectric Crystals
CAGE: 00136 — MICROSEMI CORP. - HIGH PERFORMANCE TIMING DBA VECTRON INTERNATIONAL- CANCELLED (USA)

SPECIFICATIONS

drive_size	3.50
design_type	HARD DISK
unit_design	INTERNAL
drive_height	HALF
power_source	EXTERNAL
overall_width	4.000 INCHES NOMINAL IN
drive_quantity	1
interface_type	SCSI
overall_height	1.000 INCHES NOMINAL IN
overall_length	5.750 INCHES NOMINAL IN
tracks_per_inch	1800.0
special_features	DISK DENSITY RATING: DS/HD
NSN	5955-01-037-1686

COMPONENT DIAGRAM

KEY FEATURES

•

CIRCUIT CONSTRUCTION TYPE: SOLID STATE

•

IMPEDANCE RATING PER CHANNEL: 1.000 KILOHMS INPUT CHANNEL

•

INCLOSURE TYPE: ENCASED

•

CONTROL TYPE: REMOTE

•

FREQUENCY PER CHANNEL: 15.0 MEGAHERTZ NOMINAL OPERATING CHANNEL

•

CONNECTION TYPE: PIN BOTTOM

TECHNICAL CHARACTERISTICS

CIRCUIT CONSTRUCTION TYPE	SOLID STATE
OVERALL HEIGHT	1.040 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN
IMPEDANCE RATING PER CHANNEL	1.000 KILOHMS INPUT CHANNEL
INCLOSURE TYPE	ENCASED
CONTROL TYPE	REMOTE
FREQUENCY PER CHANNEL	15.0 MEGAHERTZ NOMINAL OPERATING CHANNEL
CONNECTION TYPE	PIN BOTTOM
OVERALL LENGTH	1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN
OVERALL WIDTH	1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN
CONNECTION CONTACT TYPE AND QUANTITY	5 PIN EXTERNAL

SUBSTITUTES & CROSS-REFERENCES 4

T01790-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

SM-A-731369-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

0557-00Reference document

Same NSN cross-reference

Reference document — Secondary reference

251-1209Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 251-1209-2?

251-1209-2 is a OSCILLATOR,CRYSTAL CONTROLLED. It is classified as a MRO (MRO_GENERAL).

What parts can replace 251-1209-2?

There are 4 known substitutes for 251-1209-2: T01790-1, SM-A-731369-3, 0557-00 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 251-1209-2?

251-1209-2 is cataloged in the U.S. Government catalog under NSN 5955-01-037-1686. This indicates validated use in U.S. government and defense supply chains.

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251-1209-2 — OSCILLATOR,CRYSTAL CONTROLLED

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