4991-025 — 4991-025

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

4991-025: 4991-025.

The 4991-025 is a the manufacturer industrial component. Key specifications include movement_type: MOVING COIL, PERMANENT MAGNET, overall_width: 4.500 INCHES NOMINAL IN, overall_height: 4.500 INCHES NOMINAL IN, overall_length: 7.000 INCHES NOMINAL IN, style_designator: RECTANGULAR FLUSH MTG, features_provided: ZERO ADJUSTER. This part is cataloged in the U.S.

Government catalog under NSN 6625-00-240-7524, 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→ 4991-025

NSN: 6625-00-240-7524
FSC: 6625 — Electrical and Electronic Properties Measuring and Testing Instruments
CAGE: 15309 — JEWELL INSTRUMENTS, LLC DBA MODUTEC USE CAGE CODE 33005 FOR CATALOGING (USA)

SPECIFICATIONS

movement_type	MOVING COIL, PERMANENT MAGNET
overall_width	4.500 INCHES NOMINAL IN
overall_height	4.500 INCHES NOMINAL IN
overall_length	7.000 INCHES NOMINAL IN
style_designator	RECTANGULAR FLUSH MTG
features_provided	ZERO ADJUSTER
measurement_range	+395.0 TO 405.0 HERTZ SINGLE INDICATOR SINGLE RANGE
accuracy_in_percent	-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
installation_design	PANEL
mounting_hole_diameter	0.315 INCHES NOMINAL IN
scale_division_quantity	100 SINGLE INDICATOR SINGLE RANGE
dial_scale_marking_color	BLACK SINGLE INDICATOR SINGLE RANGE
NSN	6625-00-240-7524

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)

•

METER BODY DIAMETER BEHIND MOUNTING FLANGE: 4.000 INCHES NOMINAL IN

•

MOUNTING ARRANGEMENT STYLE: FOUR HOLE/STUD RECTANGULAR/SQUARE

•

CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 THREADED STUD

•

METER DEPTH BEHIND MOUNTING FLANGE: 6.459 INCHES NOMINAL IN

•

MOVEMENT TYPE: MOVING COIL, PERMANENT MAGNET

•

ACCURACY IN PERCENT: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S)
METER BODY DIAMETER BEHIND MOUNTING FLANGE	4.000 INCHES NOMINAL IN
OVERALL HEIGHT	4.500 INCHES NOMINAL IN
MOUNTING ARRANGEMENT STYLE	FOUR HOLE/STUD RECTANGULAR/SQUARE
CIRCUIT ATTACHMENT METHOD AND QUANTITY	2 THREADED STUD
METER DEPTH BEHIND MOUNTING FLANGE	6.459 INCHES NOMINAL IN
MOVEMENT TYPE	MOVING COIL, PERMANENT MAGNET
ACCURACY IN PERCENT	-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	3.375 INCHES NOMINAL IN
STYLE DESIGNATOR	RECTANGULAR FLUSH MTG

SUBSTITUTES & CROSS-REFERENCES 4

MIL-M-23167Reference document

Same NSN cross-reference

Reference document — Identification reference

MR49W41AFHReference document

Same NSN cross-reference

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

PFM400E4MNAReference document

Same NSN cross-reference

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

953-40Reference document

Same NSN cross-reference

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

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4991-025?

4991-025 is a 4991-025. It is classified as a MRO (MRO_GENERAL).

What parts can replace 4991-025?

There are 4 known substitutes for 4991-025: MIL-M-23167, MR49W41AFH, PFM400E4MNA and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 4991-025?

4991-025 is cataloged in the U.S. Government catalog under NSN 6625-00-240-7524. This indicates validated use in U.S. government and defense supply chains.

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4991-025 — 4991-025

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