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D2-507 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D2-507: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include body_width: 1.620 INCHES NOMINAL IN, body_height: 2.310 INCHES MAXIMUM IN, body_length: 1.620 INCHES NOMINAL IN, display_type: FULL, overall_width: 1.781 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-265-3181, 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
D2-507
NSN: 4820-01-265-3181
NIINs: 012653181, 016785296
FSC: 4820 — Valves, Nonpowered
CAGE: 30793 — INSINGER MACHINE CO (USA)
SPECIFICATIONS
body_width1.620 INCHES NOMINAL IN
body_height2.310 INCHES MAXIMUM IN
body_length1.620 INCHES NOMINAL IN
display_typeFULL
overall_width1.781 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height1.437 INCHES NOMINAL IN
overall_length1.812 INCHES NOMINAL IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating300.0 HERTZ MINIMUM AND 3.4 KILOHERTZ MAXIMUM SINGLE COMPONENT
special_featuresIONPAC AS9-SC ANALYTICAL 4 X 250 MM MM
reliability_indicatorNOT ESTABLISHED
NSN4820-01-265-3181
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D2-507 · 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
SUBSTITUTES & CROSS-REFERENCES 1
43185Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D2-507?
D2-507 is a VALVE,SAFETY RELIEF.
What parts can replace D2-507?
There is 1 known substitute for D2-507: 43185. Substitute compatibility should be verified for your specific system.
What is the NSN for D2-507?
D2-507 is cataloged in the U.S. Government catalog under NSN 4820-01-265-3181. 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.