PartsTable
Technical Data Sheet
Download PDF

N1178EE — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N1178EE: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include material: COPPER ALLOY AND STEEL CORROSION RESISTING BODY, body_style: STRAIGHT THRU, special_features: BODY STYLE: CLOSED; THREAD SIZE: 3/8"; PSI: 175, flow_control_device: NEEDLE, end_item_identification: 2320-01-522-1859 TRUCK, DUMP; MRAP - M-ATV, part_name_assigned_by_controlling_agency: PRESSURE RELIEF VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-570-4933, 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
N1178EE
NSN: 4820-01-570-4933
FSC: 4820 — Valves, Nonpowered
CAGE: 06721 — HALDEX BRAKE PRODUCTS CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND STEEL CORROSION RESISTING BODY
body_styleSTRAIGHT THRU
special_featuresBODY STYLE: CLOSED; THREAD SIZE: 3/8"; PSI: 175
flow_control_deviceNEEDLE
end_item_identification2320-01-522-1859 TRUCK, DUMP; MRAP - M-ATV
part_name_assigned_by_controlling_agencyPRESSURE RELIEF VALVE
NSN4820-01-570-4933
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N1178EE · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: NEEDLE
•
BODY STYLE: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY AND STEEL CORROSION RESISTING BODY
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICENEEDLE
BODY STYLESTRAIGHT THRU
SPECIAL FEATURESBODY STYLE: CLOSED; THREAD SIZE: 3/8"; PSI: 175
PART NAME ASSIGNED BY CONTROLLING AGENCYPRESSURE RELIEF VALVE
END ITEM IDENTIFICATION2320-01-522-1859 TRUCK, DUMP; MRAP - M-ATV
MATERIALCOPPER ALLOY AND STEEL CORROSION RESISTING BODY
SUBSTITUTES & CROSS-REFERENCES 1
4183974Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy N1178EE?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is N1178EE?
N1178EE is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace N1178EE?
There is 1 known substitute for N1178EE: 4183974. Substitute compatibility should be verified for your specific system.
What is the NSN for N1178EE?
N1178EE is cataloged in the U.S. Government catalog under NSN 4820-01-570-4933. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — N1178EE

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.