31TDX6B — SYNCHRO,DIFFERENTIAL TRANSMITTER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

31TDX6B: SYNCHRO,DIFFERENTIAL TRANSMITTER.

SYNCHRO,DIFFERENTIAL TRANSMITTER. Key specifications include length: 1.0150 INCHES MINIMUM AND 1.0250 INCHES MAXIMUM SHOULDER IN, body_size: 28, body_style: STANDARD ROUND, ROTATABLE HOUSING, shaft_type: SPLINE SINGLE SHAFT, shaft_length: 0.7200 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM SINGLE SHAFT IN, body_diameter: 2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5990-00-702-1990, 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

31TDX6B

NSN: 5990-00-702-1990
FSC: 5990 — Synchros and Resolvers
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

length	1.0150 INCHES MINIMUM AND 1.0250 INCHES MAXIMUM SHOULDER IN
body_size	28
body_style	STANDARD ROUND, ROTATABLE HOUSING
shaft_type	SPLINE SINGLE SHAFT
shaft_length	0.7200 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM SINGLE SHAFT IN
body_diameter	2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
overall_length	4.6550 INCHES NOMINAL IN
shaft_diameter	0.2405 INCHES NOMINAL SINGLE SHAFT IN
shaft_end_play	0.0010 INCHES MINIMUM AND 0.0050 INCHES MAXIMUM IN
flange_diameter	3.0990 INCHES MINIMUM AND 3.1000 INCHES MAXIMUM IN
flange_thickness	0.2450 INCHES MINIMUM AND 2.2550 INCHES MAXIMUM IN
shoulder_diameter	2.6999 INCHES MINIMUM AND 2.7000 INCHES MAXIMUM IN
NSN	5990-00-702-1990

COMPONENT DIAGRAM

KEY FEATURES

•

BODY SIZE: 28

•

SHAFT TYPE: SPLINE SINGLE SHAFT

•

BODY DIAMETER: 2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN

•

FLANGE DIAMETER: 3.0990 INCHES MINIMUM AND 3.1000 INCHES MAXIMUM IN

•

SHAFT DIAMETER: 0.2405 INCHES NOMINAL SINGLE SHAFT IN

•

ROTOR DC RESISTANCE IN OHMS: 24.00 MAXIMUM

•

LENGTH: 1.0150 INCHES MINIMUM AND 1.0250 INCHES MAXIMUM SHOULDER IN

•

BODY STYLE: STANDARD ROUND, ROTATABLE HOUSING

TECHNICAL CHARACTERISTICS

BODY SIZE	28
SHAFT TYPE	SPLINE SINGLE SHAFT
BODY DIAMETER	2.7490 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
FLANGE DIAMETER	3.0990 INCHES MINIMUM AND 3.1000 INCHES MAXIMUM IN
SHAFT DIAMETER	0.2405 INCHES NOMINAL SINGLE SHAFT IN
ROTOR DC RESISTANCE IN OHMS	24.00 MAXIMUM
LENGTH	1.0150 INCHES MINIMUM AND 1.0250 INCHES MAXIMUM SHOULDER IN
BODY STYLE	STANDARD ROUND, ROTATABLE HOUSING
FLANGE THICKNESS	0.2450 INCHES MINIMUM AND 2.2550 INCHES MAXIMUM IN
TORQUE GRADIENT PER ANGULAR DEG	0.300 INCH-OUNCES MAXIMUM IN

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 6

039509Reference document

Same NSN cross-reference

Reference document — Secondary reference

31TDX6CReference document

Same NSN cross-reference

Reference document — Secondary reference

M20708/68B-001Reference document

Same NSN cross-reference

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

MILS20708-68Reference document

Same NSN cross-reference

Reference document — Secondary reference

5990PL0944897Reference document

Same NSN cross-reference

Reference document — Informative reference only

SAE-AS20708/68Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 31TDX6B?

31TDX6B is a SYNCHRO,DIFFERENTIAL TRANSMITTER.

What parts can replace 31TDX6B?

There are 6 known substitutes for 31TDX6B: 039509, 31TDX6C, M20708/68B-001 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 31TDX6B?

31TDX6B is cataloged in the U.S. Government catalog under NSN 5990-00-702-1990. This indicates validated use in U.S. government and defense supply chains.

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