PartsTable
Technical Data Sheet
Download PDF

A404776-3N — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A404776-3N: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include temp_rating: -20.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, special_test_features: 1.750" - 12UN - 3A; OPERATING TORQUE: 9 FT-LB; NYLON INSERT A, supplementary_features: NSN IS NAVY ALRE / CRITICAL APPLICATION ITEM (CAI), media_for_which_designed: AIR AND WATER, FRESH, opening_pressure_setting: ERR-060, first_end_nominal_thread_size: 1.750 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-715-2771, 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
A404776-3N
NSN: 4820-00-715-2771
FSC: 4820 — Valves, Nonpowered
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
temp_rating-20.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
special_test_features1.750" - 12UN - 3A; OPERATING TORQUE: 9 FT-LB; NYLON INSERT A
supplementary_featuresNSN IS NAVY ALRE / CRITICAL APPLICATION ITEM (CAI)
media_for_which_designedAIR AND WATER, FRESH
opening_pressure_settingERR-060
first_end_nominal_thread_size1.750 INCHES IN
criticality_code_justificationFEAT
second_end_relationship_with_first_endNOT IDENTICAL
first_end_nominal_pipe_size_accommodated0.500 INCHES IN
part_name_assigned_by_controlling_agencyVALVE GLOBE ANGLE
first_end_outside_diameter_tube_accommodated6.500 INCHES MAXIMUM IN
NSN4820-00-715-2771
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A404776-3N · 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
•
TEMP RATING: -20.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SPECIAL TEST FEATURES: 1.750" - 12UN - 3A; OPERATING TORQUE: 9 FT-LB; NYLON INSERT A
•
SUPPLEMENTARY FEATURES: NSN IS NAVY ALRE / CRITICAL APPLICATION ITEM (CAI)
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
OPENING PRESSURE SETTING: ERR-060
•
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED: 6.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING-20.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SPECIAL TEST FEATURES1.750" - 12UN - 3A; OPERATING TORQUE: 9 FT-LB; NYLON INSERT A
SUPPLEMENTARY FEATURESNSN IS NAVY ALRE / CRITICAL APPLICATION ITEM (CAI)
CRITICALITY CODE JUSTIFICATIONFEAT
OPENING PRESSURE SETTINGERR-060
SPECIAL FEATURESITEM WILL BE USED AS PART OF A SYSTEM SUPPORTING THE LAUNCH AND/OR RECOVERY OF AIRCRAFT AND IS ESSENTIAL TO SYSTEM PERFORMANCE OR OPERATION, OR THE PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL; ITEM HAS BEEN DESIGNATED AS CRITICAL APPLICATION ITEM (CAI)
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED6.500 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE GLOBE ANGLE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES IN
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 4
A40476-3NReference document
Same NSN cross-reference
Reference document — Secondary reference
A404776-3N CPL-163Reference document
Same NSN cross-reference
Reference document — Secondary reference
A404776-3N 80020Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
EPA21000-270Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy A404776-3N?
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 A404776-3N?
A404776-3N is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace A404776-3N?
There are 4 known substitutes for A404776-3N: A40476-3N, A404776-3N CPL-163, A404776-3N 80020 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A404776-3N?
A404776-3N is cataloged in the U.S. Government catalog under NSN 4820-00-715-2771. 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 — A404776-3N