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1828AS178-1 — HEAD AND DISK,SAFETY,PRESSURE RE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1828AS178-1: HEAD AND DISK,SAFETY,PRESSURE RE.

HEAD AND DISK,SAFETY,PRESSURE RE. Key specifications include disk_type: SOLID, head_type: SCREW, disk_material: STEEL COMP 316, head_material: STEEL COMP 316 OR COPPER ALLOY, burst_pressure: 2400.0 PRESSURE POUNDS PER SQUARE INCH GAGE, special_features: CLEANED FOR OXYGEN SERVICE IAW MIL-C-52211,METHOD B,LEVEL B,CLASS B. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-397-5411, 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
1828AS178-1
NSN: 4820-01-397-5411
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
disk_typeSOLID
head_typeSCREW
disk_materialSTEEL COMP 316
head_materialSTEEL COMP 316 OR COPPER ALLOY
burst_pressure2400.0 PRESSURE POUNDS PER SQUARE INCH GAGE
special_featuresCLEANED FOR OXYGEN SERVICE IAW MIL-C-52211,METHOD B,LEVEL B,CLASS B
NSN4820-01-397-5411
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1828AS178-1 · 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
•
DISK MATERIAL: STEEL COMP 316
•
BURST PRESSURE: 2400.0 PRESSURE POUNDS PER SQUARE INCH GAGE
•
HEAD TYPE: SCREW
•
DISK TYPE: SOLID
•
HEAD MATERIAL: STEEL COMP 316 OR COPPER ALLOY
TECHNICAL CHARACTERISTICS
DISK MATERIALSTEEL COMP 316
BURST PRESSURE2400.0 PRESSURE POUNDS PER SQUARE INCH GAGE
HEAD TYPESCREW
DISK TYPESOLID
HEAD MATERIALSTEEL COMP 316 OR COPPER ALLOY
SPECIAL FEATURESCLEANED FOR OXYGEN SERVICE IAW MIL-C-52211,METHOD B,LEVEL B,CLASS B
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 1
1828AS178Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 1828AS178-1?
1828AS178-1 is a HEAD AND DISK,SAFETY,PRESSURE RE.
What parts can replace 1828AS178-1?
There is 1 known substitute for 1828AS178-1: 1828AS178. Substitute compatibility should be verified for your specific system.
What is the NSN for 1828AS178-1?
1828AS178-1 is cataloged in the U.S. Government catalog under NSN 4820-01-397-5411. 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.