7R911-21A — SYNCHRO,TRANSMITTER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

7R911-21A: SYNCHRO,TRANSMITTER.

The SYNCHRO,TRANSMITTER is a the manufacturer industrial component. Key specifications include length: 0.0620 INCHES NOMINAL SHOULDER IN, body_size: 11, body_style: STANDARD ROUND C, shaft_type: ROUND, SLOTTED SINGLE SHAFT, pilot_length: 0.0620 INCHES NOMINAL IN, shaft_length: 0.2830 INCHES NOMINAL SINGLE SHAFT IN. This part is cataloged in the U.S.

Government catalog under NSN 5990-00-682-9933, 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

7R911-21A

NSN: 5990-00-682-9933
FSC: 5990 — Synchros and Resolvers
CAGE: 88818 — KEARFOTT CORPORATION DIV GUIDANCE AND NAVIGATION DIVISION (USA)

SPECIFICATIONS

length	0.0620 INCHES NOMINAL SHOULDER IN
body_size	11
body_style	STANDARD ROUND C
shaft_type	ROUND, SLOTTED SINGLE SHAFT
pilot_length	0.0620 INCHES NOMINAL IN
shaft_length	0.2830 INCHES NOMINAL SINGLE SHAFT IN
body_material	STEEL CORROSION RESISTING
overall_length	2.2380 INCHES NOMINAL IN
pilot_diameter	0.6250 INCHES NOMINAL IN
shaft_diameter	0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
shaft_end_play	0.0015 INCHES NOMINAL IN
undercut_width	0.0500 INCHES NOMINAL IN
NSN	5990-00-682-9933

COMPONENT DIAGRAM

KEY FEATURES

•

BODY SIZE: 11

•

SHAFT TYPE: ROUND, SLOTTED SINGLE SHAFT

•

ZRS IMPEDANCE ANGLE IN DEG: 23.90 NOMINAL

•

FLANGE DIAMETER: 1.0620 INCHES NOMINAL IN

•

UNDERCUT WIDTH: 0.0500 INCHES NOMINAL IN

•

SHAFT DIAMETER: 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN

•

ROTOR DC RESISTANCE IN OHMS: 9.00 NOMINAL

•

UNDERCUT DIAMETER: 0.9800 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

BODY SIZE	11
SHAFT TYPE	ROUND, SLOTTED SINGLE SHAFT
ZRS IMPEDANCE ANGLE IN DEG	23.90 NOMINAL
FLANGE DIAMETER	1.0620 INCHES NOMINAL IN
UNDERCUT WIDTH	0.0500 INCHES NOMINAL IN
SHAFT DIAMETER	0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN
ROTOR DC RESISTANCE IN OHMS	9.00 NOMINAL
UNDERCUT DIAMETER	0.9800 INCHES MAXIMUM IN
LENGTH	0.0620 INCHES NOMINAL SHOULDER IN
FRAGILITY FACTOR	MODERATELY RUGGED

OTHER ITEMS IN FSC 5990 — Synchros and Resolvers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5990-00-001-1764 5990-00-001-1765 5990-00-001-1766 5990-00-001-4570 5990-00-001-5956 5990-00-001-7588 5990-00-003-0177 5990-00-003-0569

SUBSTITUTES & CROSS-REFERENCES 3

TGH11ES4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ES1608AReference document

Same NSN cross-reference

Reference document — Design control — primary reference

7RS911-21ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is 7R911-21A?

7R911-21A is a SYNCHRO,TRANSMITTER.

What parts can replace 7R911-21A?

There are 3 known substitutes for 7R911-21A: TGH11ES4, ES1608A, 7RS911-21A. Substitute compatibility should be verified for your specific system.

What is the NSN for 7R911-21A?

7R911-21A is cataloged in the U.S. Government catalog under NSN 5990-00-682-9933. This indicates validated use in U.S. government and defense supply chains.

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