TRU81A — TRANSMITTER,PRESSURE

✓ Government record, cited

MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M · COMPONENT

PRODUCT OVERVIEW

TRU81A: TRANSMITTER,PRESSURE.

The TRANSMITTER,PRESSURE is a MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M industrial component. Key specifications include PHASE: SINGLE LOCATION NOT OTHERWISE SPECIFIED, CONTACT TYPE: PIN, CURRENT TYPE: AC, OVERALL WIDTH: 2.625 INCHES NOMINAL IN, OVERALL LENGTH: 4.312 INCHES NOMINAL IN, VOLTAGE RATING: 26.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 6620-00-901-7848, 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

TRU81A

NSN: 6620-00-901-7848
FSC: 6620 — Engine Instruments
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

PHASE	SINGLE LOCATION NOT OTHERWISE SPECIFIED
CONTACT TYPE	PIN
CURRENT TYPE	AC
OVERALL WIDTH	2.625 INCHES NOMINAL IN
OVERALL LENGTH	4.312 INCHES NOMINAL IN
VOLTAGE RATING	26.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
MOUNTING METHOD	HOLE
ACTUATION METHOD	BOURDON TUBE
CONTACT QUANTITY	4
FREQUENCY RATING	400.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED
MEASUREMENT RANGE	+0.000 TO 500.000 POUNDS PER SQUARE INCH LBS
OVERALL THICKNESS	2.625 INCHES NOMINAL IN
NSN	6620-00-901-7848

COMPONENT DIAGRAM

KEY FEATURES

•

ACTUATION METHOD: BOURDON TUBE

•

FSC APPLICATION DATA: TRANSMITTERS,PRESSURE,ENGINE

•

PHASE: SINGLE LOCATION NOT OTHERWISE SPECIFIED

•

CONTACT TYPE: PIN

•

CURRENT TYPE: AC

•

MECHANICAL CONNECTION QUANTITY: 2

•

ELECTRICAL CONNECTION QUANTITY: 1

•

ELECTRICAL CONNECTION IDENTIFYING NUMBER: MS33678C-14S-2P

TECHNICAL CHARACTERISTICS

ACTUATION METHOD	BOURDON TUBE
FSC APPLICATION DATA	TRANSMITTERS,PRESSURE,ENGINE
PHASE	SINGLE LOCATION NOT OTHERWISE SPECIFIED
CONTACT TYPE	PIN
CURRENT TYPE	AC
MECHANICAL CONNECTION QUANTITY	2
ELECTRICAL CONNECTION QUANTITY	1
ELECTRICAL CONNECTION IDENTIFYING NUMBER	MS33678C-14S-2P
MOUNTING METHOD	HOLE
OVERALL THICKNESS	2.625 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 7

18-1724Reference document

Same NSN cross-reference

Reference document — Secondary reference

89000Reference document

Same NSN cross-reference

Reference document — Secondary reference

77221-9780Reference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-DTL-38394Reference document

Same NSN cross-reference

Reference document — Identification reference

3567745-1701Reference document

Same NSN cross-reference

Reference document — Secondary reference

6620PL1149097Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is TRU81A?

TRU81A is a TRANSMITTER,PRESSURE manufactured by MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M.

What parts can replace TRU81A?

There are 7 known substitutes for TRU81A: 18-1724, 89000, 77221-9780 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for TRU81A?

TRU81A is cataloged in the U.S. Government catalog under NSN 6620-00-901-7848. This indicates validated use in U.S. government and defense supply chains.

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