PartsTable
Technical Data Sheet
Download PDF

1700077 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1700077: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include special_features: .250-28 X .875, SS, PL, HEX, SOC, end_item_identification: SIG SAUER SIGMCX852, part_name_assigned_by_controlling_agency: SCREW, BUTTON HEAD CAP. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-413-9579, 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
1700077
NSN: 4820-01-413-9579
NIINs: 014139579, 016576947
FSC: 4820 — Valves, Nonpowered
CAGE: 0UBJ9 — SYCON CORP (USA)
SPECIFICATIONS
special_features.250-28 X .875, SS, PL, HEX, SOC
end_item_identificationSIG SAUER SIGMCX852
part_name_assigned_by_controlling_agencySCREW, BUTTON HEAD CAP
NSN4820-01-413-9579
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1700077 · 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 LOADING METHOD: SPRING
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
DISK LOADING METHODSPRING
END ITEM IDENTIFICATIONSHIPBOARD MATERIAL H
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 1
3A9407Same 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 1700077?
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 1700077?
1700077 is a VALVE,SAFETY RELIEF.
What parts can replace 1700077?
There is 1 known substitute for 1700077: 3A9407. Substitute compatibility should be verified for your specific system.
What is the NSN for 1700077?
1700077 is cataloged in the U.S. Government catalog under NSN 4820-01-413-9579. 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 — 1700077

✓ 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.