MS21971-1 — POINTER,DIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MS21971-1: POINTER,DIAL.

The POINTER,DIAL is a the manufacturer industrial component. Key specifications include width: 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN, length: 0.349 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN, material: ALUMINUM ALLOY POINTER, style_designator: BOW-TIE, attachment_method: HOLE, mounting_hole_diameter: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 6620-00-543-2534, 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

MS21971-1

NSN: 6620-00-543-2534
NIINs: 005432534, 012910989
FSC: 6620 — Engine Instruments
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

width	0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
length	0.349 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
material	ALUMINUM ALLOY POINTER
style_designator	BOW-TIE
attachment_method	HOLE
mounting_hole_diameter	0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
distance_from_mounting_hole_center_to_end_of_pointer	0.217 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
NSN	6620-00-543-2534

COMPONENT DIAGRAM

KEY FEATURES

•

CONTACT TYPE: PIN

•

CURRENT TYPE: AC

•

ELECTRICAL CONNECTION QUANTITY: 1

•

ELECTRICAL CONNECTION IDENTIFYING NUMBER: PART NO. 3102-10SL 3P

•

SUPPLEMENTARY FEATURES: AS MODIFIED BY PART NO. MS21971-1

•

SCALE RANGE: +0.1 TO 4200.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE

•

CONTACT QUANTITY: 3

•

PRESENTATION TYPE: SELSYN MOTOR

TECHNICAL CHARACTERISTICS

CONTACT TYPE	PIN
CURRENT TYPE	AC
ELECTRICAL CONNECTION QUANTITY	1
ELECTRICAL CONNECTION IDENTIFYING NUMBER	PART NO. 3102-10SL 3P
SUPPLEMENTARY FEATURES	AS MODIFIED BY PART NO. MS21971-1
SCALE RANGE	+0.1 TO 4200.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
CONTACT QUANTITY	3
PRESENTATION TYPE	SELSYN MOTOR
DEPTH	4.000 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 3

F1559710003Reference document

Same NSN cross-reference

Reference document — Secondary reference

8DJ81CAN2Reference document

Same NSN cross-reference

Reference document — Secondary reference

34102C2B3-2D1Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is MS21971-1?

MS21971-1 is a POINTER,DIAL.

What parts can replace MS21971-1?

There are 3 known substitutes for MS21971-1: F1559710003, 8DJ81CAN2, 34102C2B3-2D1. Substitute compatibility should be verified for your specific system.

What is the NSN for MS21971-1?

MS21971-1 is cataloged in the U.S. Government catalog under NSN 6620-00-543-2534. This indicates validated use in U.S. government and defense supply chains.

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