PartsTable
Technical Data Sheet

1/2-100SM — HEAD,SAFETY,PRESSURE RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1/2-100SM: HEAD,SAFETY,PRESSURE RELIEF.

The HEAD,SAFETY,PRESSURE RELIEF is a the manufacturer industrial component. Key specifications include head_size: 0.500 INCHES IN, head_type: SCREW, head_material: STEEL CORROSION RESISTING, burst_pressure: 10000.0 PRESSURE POUNDS PER SQUARE INCH GAGE, burst_temperature: 100.0 FAHRENHEIT DEGF, end_connection_type: THREADED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-305-3296, 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
1/2-100SM
NSN: 4820-01-305-3296
FSC: 4820 — Valves, Nonpowered
CAGE: 06370 — FIKE CORPORATION (USA)
SPECIFICATIONS
head_size0.500 INCHES IN
head_typeSCREW
head_materialSTEEL CORROSION RESISTING
burst_pressure10000.0 PRESSURE POUNDS PER SQUARE INCH GAGE
burst_temperature100.0 FAHRENHEIT DEGF
end_connection_typeTHREADED
NSN4820-01-305-3296
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1/2-100SM · 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
•
BURST PRESSURE: 10000.0 PRESSURE POUNDS PER SQUARE INCH GAGE
•
HEAD TYPE: SCREW
•
END CONNECTION TYPE: THREADED
•
BURST TEMPERATURE: 100.0 FAHRENHEIT DEGF
•
HEAD SIZE: 0.500 INCHES IN
•
HEAD MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
BURST PRESSURE10000.0 PRESSURE POUNDS PER SQUARE INCH GAGE
HEAD TYPESCREW
END CONNECTION TYPETHREADED
BURST TEMPERATURE100.0 FAHRENHEIT DEGF
HEAD SIZE0.500 INCHES IN
HEAD MATERIALSTEEL CORROSION RESISTING
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 2
6263937 FIND 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6263950Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 1/2-100SM?
1/2-100SM is a HEAD,SAFETY,PRESSURE RELIEF.
What parts can replace 1/2-100SM?
There are 2 known substitutes for 1/2-100SM: 6263937 FIND 6, 6263950. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/2-100SM?
1/2-100SM is cataloged in the U.S. Government catalog under NSN 4820-01-305-3296. 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.