H555 — VALVE,SAFETY RELIEF

✓ Government record, cited

Motorola · GATE VALVE

PRODUCT OVERVIEW

H555: VALVE,SAFETY RELIEF.

Original Motorola H555 Universal bluetooth Headset. Compatible with other bluetooth 1.1 or 1.2 enabled devices including cellular phones and PDA's from many different manufacturers. Outstanding audio quality.

Elevated speaker rests close to your ear delivering loud audio. Multi-function button controls various functions. Multi-Color LEDs to indicate status of your headset.

Lightweight design to fit your ear. Specifications: Battery performance of up to approximately 8 hours talk time or up to 8 days standby. Offers a wireless connection up to 33 feet (10 m) from your compatible phone.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-451-0570, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS

H555

NSN: 4820-00-451-0570
NIINs: 004510570, 008575559
FSC: 4820 — Valves, Nonpowered
CAGE: 06239 — AUSCO INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	HEXAGON
nut_height	0.271 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
bonnet_type	PACKING RETAININGPACKING RETAINING
lubrication	DRY FILM LUBRICANT
temp_rating	450.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
connection_type	THREADED EXTERNAL BOSS SECOND ENDTHREADED EXTERNAL BOSS SECOND END
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
connection_style	EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND ENDEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
special_features	SECOND END DESCRIPTION IS INLET
NSN	4820-00-451-0570

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPETPOPPET

•

CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND ENDEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END

•

CONNECTION TYPE: THREADED INTERNAL BOSS FIRST ENDTHREADED INTERNAL BOSS FIRST END

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 MFR REF 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPETPOPPET
CONNECTION STYLE	EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND ENDEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLE	GASKET SEAL(BOSS) FIRST ENDGASKET SEAL(BOSS) FIRST END
CONNECTION TYPE	THREADED INTERNAL BOSS FIRST ENDTHREADED INTERNAL BOSS FIRST END
CONNECTION TYPE	THREADED EXTERNAL BOSS SECOND ENDTHREADED EXTERNAL BOSS SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 MFR REF 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 MFR REF 2ND MATERIAL RESPONSE FLOW CONTROL DEVICEQQ-S-764,TYPE 303-CANCELED FED SPEC 3RD MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764,TYPE 303-CANCELED FED SPEC 3RD MATERIAL RESPONSE SEATQQ-S-764,TYPE 303-CANCELED FED SPEC 1ST MATERIAL RESPONSE BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.500 INCHES SECOND END0.500 INCHES FIRST END IN

SUBSTITUTES & CROSS-REFERENCES 1

65651-09106-102Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 H555?

H555 is a VALVE,SAFETY RELIEF manufactured by Motorola.

What parts can replace H555?

There is 1 known substitute for H555: 65651-09106-102. Substitute compatibility should be verified for your specific system.

What is the NSN for H555?

H555 is cataloged in the U.S. Government catalog under NSN 4820-00-451-0570. This indicates validated use in U.S. government and defense supply chains.

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