N1178AB — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

N1178AB: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND STEEL CORROSION RESISTING OVERALL, bonnet_type: OUTSIDE SCREW-YOKE, connection_style: PLAIN (PIPE) ALL ENDS, special_features: APPL VEHICULAR AIR BRAKE SYSTEMS., thread_direction: RIGHT-HAND ALL ENDS, nominal_thread_size: 0.375 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-359-2343, 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

N1178AB

NSN: 4820-01-359-2343
FSC: 4820 — Valves, Nonpowered
CAGE: 06721 — HALDEX BRAKE PRODUCTS CORPORATION (USA)

SPECIFICATIONS

material	COPPER ALLOY AND STEEL CORROSION RESISTING OVERALL
bonnet_type	OUTSIDE SCREW-YOKE
connection_style	PLAIN (PIPE) ALL ENDS
special_features	APPL VEHICULAR AIR BRAKE SYSTEMS.
thread_direction	RIGHT-HAND ALL ENDS
nominal_thread_size	0.375 INCHES ALL ENDS IN
maximum_operating_temp	120.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC
end_item_identification	2330-01-303-8832; MRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5
media_for_which_designed	AIR SINGLE RESPONSE
opening_pressure_setting	150.0 POUNDS PER SQUARE INCH LBS
thread_series_designator	NPTF ALL ENDS
NSN	4820-01-359-2343

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: PLAIN (PIPE) ALL ENDS

•

CONNECTION TYPE: THREADED CARTRIDGE ALL ENDS

•

STYLE DESIGNATOR: SCREW-IN CARTRIDGE

•

BONNET TYPE: OUTSIDE SCREW-YOKE

•

THREAD DIRECTION: RIGHT-HAND ALL ENDS

•

NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN

•

MAXIMUM OPERATING TEMP: 120.0 FAHRENHEIT SINGLE RESPONSE DEGF

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	PLAIN (PIPE) ALL ENDS
CONNECTION TYPE	THREADED CARTRIDGE ALL ENDS
STYLE DESIGNATOR	SCREW-IN CARTRIDGE
BONNET TYPE	OUTSIDE SCREW-YOKE
THREAD DIRECTION	RIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE	0.375 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP	120.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURES	APPL VEHICULAR AIR BRAKE SYSTEMS.
MEDIA FOR WHICH DESIGNED	AIR SINGLE RESPONSE
END ITEM IDENTIFICATION	2330-01-303-8832; MRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5

OTHER ITEMS IN FSC 4820 — Valves, Nonpowered

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

4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230

SUBSTITUTES & CROSS-REFERENCES 2

4820013592343Reference document

Same NSN cross-reference

Reference document — Secondary reference

SW32769Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is N1178AB?

N1178AB is a VALVE,SAFETY RELIEF.

What parts can replace N1178AB?

There are 2 known substitutes for N1178AB: 4820013592343, SW32769. Substitute compatibility should be verified for your specific system.

What is the NSN for N1178AB?

N1178AB is cataloged in the U.S. Government catalog under NSN 4820-01-359-2343. This indicates validated use in U.S. government and defense supply chains.

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