UU-1551-TCP — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

UU-1551-TCP: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 STEM, style_designator: ANGLE, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, flow_control_device: DISK, media_for_which_designed: OXYGEN, LIQUID SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-256-8744, 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

UU-1551-TCP

NSN: 4820-01-256-8744
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 STEM
style_designator	ANGLE
operating_pressure	400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	DISK
media_for_which_designed	OXYGEN, LIQUID SINGLE RESPONSE
opening_pressure_setting	80.0 POUNDS PER SQUARE INCH LBS
valve_discharge_flow_rate	128.0 CUBIC FEET PER MINUTE
criticality_code_justification	ZZZY
material_document_and_classification	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
reference_number_differentiating_characteristics	CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
NSN	4820-01-256-8744

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

STYLE DESIGNATOR: ANGLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY

•

OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
CRITICALITY CODE JUSTIFICATION	ZZZY
STYLE DESIGNATOR	ANGLE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
DISK LOADING METHOD	SPRING
MEDIA FOR WHICH DESIGNED	OXYGEN, LIQUID SINGLE RESPONSE

SUBSTITUTES & CROSS-REFERENCES 4

D841-4050CPSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

UU-1551-TSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D841-4050Reference document

Same NSN cross-reference

Reference document — Secondary reference

9955.K 5IM,TYPEReference document

Same NSN cross-reference

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

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 UU-1551-TCP?

UU-1551-TCP is a VALVE,SAFETY RELIEF.

What parts can replace UU-1551-TCP?

There are 4 known substitutes for UU-1551-TCP: D841-4050CP, UU-1551-T, D841-4050 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for UU-1551-TCP?

UU-1551-TCP is cataloged in the U.S. Government catalog under NSN 4820-01-256-8744. This indicates validated use in U.S. government and defense supply chains.

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