D255 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited

Bosch · MRO · MRO_GENERAL

PRODUCT OVERVIEW

D255: FILTER,RADIO FREQUENCY INTERFERE.

- Mounts on low-profile six-inch diameter base - Easy head removal for cleaning and servicing - Available in 135°F (57°C) or 190°F (88°C) fixed settings - Optional latching alarm LED - Tamper-resistant locking base D255 Fixed-temperature (190°F [88°C]) Heat Detector Head - Fixed‑temperature (190°F [88°C]) mechanical heat - detector head for use in 12 VDC or 24 VDC nominal - circuits; requires a base. This part is cataloged in the U.S. Government catalog under NSN 5915-00-004-5857, 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→ D255

NSN: 5915-00-004-5857
NIINs: 000045857, 002268019, 003995251, 008100505
FSC: 5915 — Filters and Networks
CAGE: 50056 — PIEZOTHERMX CORPORATION (USA)

SPECIFICATIONS

body_length	0.598 INCHES MAXIMUM IN
inclosure_type	HERMETICALLY SEALED
overall_length	1.138 INCHES MAXIMUM IN
special_features	CAPACITOR AT MOUNTING END. WEAPON SYSTEM ESSENTIAL
style_designator	ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
nominal_thread_size	0.250 INCHES IN
operating_temp_range	-55.0 TO 85.0 CELSIUS DEGC
body_outside_diameter	0.406 INCHES NOMINAL IN
end_item_identification	AIRCRAFT, TOMCAT F-14
load_impedance_per_function	50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
average_life_rating_in_hours	1000.0
criticality_code_justification	FEAT
NSN	5915-00-004-5857

COMPONENT DIAGRAM

KEY FEATURES

•

MAXIMUM DIELECTRIC WITHSTANDING DC VOLTAGE: 120.0 VOLTS AT SEA LEVEL

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG INPUT FIRST FUNCTION

•

BODY OUTSIDE DIAMETER: 0.406 INCHES NOMINAL IN

•

SOURCE IMPEDANCE RATING PER FUNCTION: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED

•

VIBRATION RESISTANCE RANGE IN HERTZ: +10.0 TO 2000.0

TECHNICAL CHARACTERISTICS

MAXIMUM DIELECTRIC WITHSTANDING DC VOLTAGE	120.0 VOLTS AT SEA LEVEL
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
INCLOSURE TYPE	HERMETICALLY SEALED
FUNCTIONAL TERMINAL TYPE AND QUANTITY	1 TAB, SOLDER LUG INPUT FIRST FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY	1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
BODY OUTSIDE DIAMETER	0.406 INCHES NOMINAL IN
SOURCE IMPEDANCE RATING PER FUNCTION	50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
VIBRATION RESISTANCE RANGE IN HERTZ	+10.0 TO 2000.0
CRITICALITY CODE JUSTIFICATION	FEAT
STYLE DESIGNATOR	ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES

SUBSTITUTES & CROSS-REFERENCES 2

9001-100-0005Reference document

Same NSN cross-reference

Reference document — Secondary reference

F1339Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D255?

D255 is a FILTER,RADIO FREQUENCY INTERFERE manufactured by Bosch. It is classified as a MRO (MRO_GENERAL).

What parts can replace D255?

There are 2 known substitutes for D255: 9001-100-0005, F1339. Substitute compatibility should be verified for your specific system.

What is the NSN for D255?

D255 is cataloged in the U.S. Government catalog under NSN 5915-00-004-5857. This indicates validated use in U.S. government and defense supply chains.

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