277148 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

277148: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include valve_size: 0.250 INCHES IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL. FEATURES - TWO MTNG HOLES 0.280 IN.

DIA. IN, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY., thread_direction: RIGHT-HAND ALL ENDS, mounting_facility: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-104-3968, 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

277148

NSN: 4820-01-104-3968
NIINs: 011043968, 012690349
FSC: 4820 — Valves, Nonpowered
CAGE: 26494 — CROWN COACHWORKS INC DIV CROWN COACHWORKS AUTO BODY & PAINT (USA)

SPECIFICATIONS

valve_size	0.250 INCHES IN
connection_type	THREADED INTERNAL PIPE ALL ENDS
special_features	WEAPON SYSTEM ESSENTIAL. FEATURES - TWO MTNG HOLES 0.280 IN. DIA. IN
style_designator	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
thread_direction	RIGHT-HAND ALL ENDS
mounting_facility	THREADED FASTENER
nominal_thread_size	0.250 INCHES ALL ENDS IN
valve_operation_method	AUTOMATIC
opening_pressure_setting	85.0 POUNDS PER SQUARE INCH LBS
thread_series_designator	NPT ALL ENDS
criticality_code_justification	FEAT
NSN	4820-01-104-3968

COMPONENT DIAGRAM

KEY FEATURES

•

CRITICALITY CODE JUSTIFICATION: FEAT

•

CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.

•

VALVE SIZE: 0.250 INCHES IN

•

THREAD DIRECTION: RIGHT-HAND ALL ENDS

•

NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN

•

MOUNTING FACILITY: THREADED FASTENER

TECHNICAL CHARACTERISTICS

CRITICALITY CODE JUSTIFICATION	FEAT
CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE SIZE	0.250 INCHES IN
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.250 INCHES ALL ENDS IN
MOUNTING FACILITY	THREADED FASTENER
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL. FEATURES - TWO MTNG HOLES 0.280 IN. DIA. IN
END ITEM IDENTIFICATION	P2 FIRE/CRASH TRUCK, P12 FIRE/CRASH TRUCK, X009 ROUGH TERRAIN CRANE CONTAINER, B0443 (TAM) CRANE HIGH SPPED, HIGH MOBILITY. SEALIFT SUPPORT FACILITIES PROGRAM (SSFP) EQUIPMENT; 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK)
THREAD SERIES DESIGNATOR	NPT ALL ENDS

SUBSTITUTES & CROSS-REFERENCES 8

D5HZ2A435AReference document

Same NSN cross-reference

Reference document — Secondary reference

D5HZ-2A-436-AReference document

Same NSN cross-reference

Reference document — Secondary reference

12-01059-0502A8018Reference document

Same NSN cross-reference

Reference document — Secondary reference

12019-311Reference document

Same NSN cross-reference

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

55-0151Reference document

Same NSN cross-reference

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

286500Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 277148?

277148 is a VALVE,SAFETY RELIEF.

What parts can replace 277148?

There are 8 known substitutes for 277148: D5HZ2A435A, D5HZ-2A-436-A, 12-01059-0502A8018 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 277148?

277148 is cataloged in the U.S. Government catalog under NSN 4820-01-104-3968. This indicates validated use in U.S. government and defense supply chains.

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277148 — VALVE,SAFETY RELIEF

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