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301757-1039 — VALVE,DIAPHRAGM,STOP

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

301757-1039: VALVE,DIAPHRAGM,STOP.

The VALVE,DIAPHRAGM,STOP is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 STEM, offset_distance: 1.000 INCHES IN, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: STRAIGHT THRU W/OFFSET, thread_direction: RIGHT-HAND ALL ENDS, nominal_thread_size: 0.500 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-074-5311, 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
301757-1039
NSN: 4820-00-074-5311
FSC: 4820 — Valves, Nonpowered
CAGE: 17590 — DIAMOND POWER INTERNATIONAL, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 416 STEM
offset_distance1.000 INCHES IN
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU W/OFFSET
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.500 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC OR MANUAL
thread_series_designatorNPT ALL ENDS
NSN4820-00-074-5311
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 301757-1039 · 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
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU W/OFFSET
•
OFFSET DISTANCE: 1.000 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
MATERIAL: STEEL COMP 416 STEM
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU W/OFFSET
OFFSET DISTANCE1.000 INCHES IN
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
MATERIALSTEEL COMP 416 STEM
MATERIALALUMINUM ALLOY BODY
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODAUTOMATIC OR MANUAL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 301757-1039?
301757-1039 is a VALVE,DIAPHRAGM,STOP.
What is the NSN for 301757-1039?
301757-1039 is cataloged in the U.S. Government catalog under NSN 4820-00-074-5311. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.