B-1139-01 — VALVE,CHECK

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

B-1139-01: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, valve_size: 0.250 INCHES IN, connection_type: THREADED INTERNAL TUBE ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, operating_pressure: 6600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-073-1426, 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

B-1139-01

NSN: 4820-01-073-1426
FSC: 4820 — Valves, Nonpowered
CAGE: 62295 — BER-LOW MFG., INC DBA BUTECH PRESSURE SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 316 OVERALL
valve_size	0.250 INCHES IN
connection_type	THREADED INTERNAL TUBE ALL ENDS
style_designator	STRAIGHT THRU
mounting_position	HORIZONTAL
operating_pressure	6600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
face_to_face_distance	3.810 INCHES IN
maximum_operating_temp	125.0 FAHRENHEIT SINGLE RESPONSE DEGF
supplementary_features	FLOW CONTROL DEVICE: PLUG
valve_operation_method	AUTOMATIC
material_document_and_classification	AISI 316 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	4820-01-073-1426

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING POSITION: HORIZONTAL

•

SUPPLEMENTARY FEATURES: FLOW CONTROL DEVICE: PLUG

•

CONNECTION TYPE: THREADED INTERNAL TUBE ALL ENDS

•

STYLE DESIGNATOR: STRAIGHT THRU

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI 316 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

OPERATING PRESSURE: 6600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

VALVE SIZE: 0.250 INCHES IN

•

MAXIMUM OPERATING TEMP: 125.0 FAHRENHEIT SINGLE RESPONSE DEGF

TECHNICAL CHARACTERISTICS

MOUNTING POSITION	HORIZONTAL
SUPPLEMENTARY FEATURES	FLOW CONTROL DEVICE: PLUG
CONNECTION TYPE	THREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATOR	STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 316 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE	6600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE	0.250 INCHES IN
MAXIMUM OPERATING TEMP	125.0 FAHRENHEIT SINGLE RESPONSE DEGF
FACE TO FACE DISTANCE	3.810 INCHES IN
MATERIAL	STEEL COMP 316 OVERALL

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 3

M-113-60KReference document

Same NSN cross-reference

Reference document — Secondary reference

3304575-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

P18436-001Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B-1139-01?

B-1139-01 is a VALVE,CHECK.

What parts can replace B-1139-01?

There are 3 known substitutes for B-1139-01: M-113-60K, 3304575-1, P18436-001. Substitute compatibility should be verified for your specific system.

What is the NSN for B-1139-01?

B-1139-01 is cataloged in the U.S. Government catalog under NSN 4820-01-073-1426. This indicates validated use in U.S. government and defense supply chains.

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