PartsTable
Technical Data Sheet
Download PDF

SG-5404 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SG-5404: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, special_features: 2.3 IN. L; 2.3 IN.

W; 0.50 LBS LBS, end_item_identification: GSE FOR AV-8B AIRCRAFT. This part is cataloged in the U.S. Government catalog under NSN 4820-01-330-3621, 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
SG-5404
NSN: 4820-01-330-3621
NIINs: 013303621, 015675916
FSC: 4820 — Valves, Nonpowered
CAGE: 66899 — UNION CARBIDE CORP LINDE DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
special_features2.3 IN. L; 2.3 IN. W; 0.50 LBS LBS
end_item_identificationGSE FOR AV-8B AIRCRAFT
NSN4820-01-330-3621
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SG-5404 · 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
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES2.3 IN. L; 2.3 IN. W; 0.50 LBS LBS
END ITEM IDENTIFICATIONGSE FOR AV-8B AIRCRAFT
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
AG-5404Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy SG-5404?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SG-5404?
SG-5404 is a VALVE,SAFETY RELIEF.
What parts can replace SG-5404?
There is 1 known substitute for SG-5404: AG-5404. Substitute compatibility should be verified for your specific system.
What is the NSN for SG-5404?
SG-5404 is cataloged in the U.S. Government catalog under NSN 4820-01-330-3621. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SG-5404

✓ 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.