H1253B — H1253B

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

H1253B: H1253B.

The H1253B is a the manufacturer industrial component. Key specifications include body_width: 2.156 INCHES NOMINAL IN, body_height: 5.156 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_length: 2.750 INCHES NOMINAL IN, style_designator: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES. This part is cataloged in the U.S.

Government catalog under NSN 7025-01-386-9496, 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→ H1253B

NSN: 7025-01-386-9496
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

body_width	2.156 INCHES NOMINAL IN
body_height	5.156 INCHES NOMINAL IN
body_length	2.000 INCHES NOMINAL IN
inclosure_type	HERMETICALLY SEALED
overall_length	2.750 INCHES NOMINAL IN
style_designator	RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
reference_frequency_per_function	72.0 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
frequency_band_width_per_function	68.00 KILOHERTZ BLANK AND 76.00 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
unthreaded_mounting_hole_diameter	0.157 INCHES NOMINAL IN
input_impedance_per_function_w/load	3.5 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity	1 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity	2 PIN INPUT FIRST FUNCTION
NSN	7025-01-386-9496

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 2

821253Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

82125370Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is H1253B?

H1253B is a H1253B. It is classified as a MRO (MRO_GENERAL).

What parts can replace H1253B?

There are 2 known substitutes for H1253B: 821253, 82125370. Substitute compatibility should be verified for your specific system.

What is the NSN for H1253B?

H1253B is cataloged in the U.S. Government catalog under NSN 7025-01-386-9496. This indicates validated use in U.S. government and defense supply chains.

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