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577R578H02 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

577R578H02: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include width: 3.75 INCHES NOMINAL IN, model_number: 76152, special_features: SMOTH NYLON LINING, FOLD-OVER HOOK AND LOOP RETENTION STRAP, wearing_position_design: LEFT SIDE, part_name_assigned_by_controlling_agency: INSIDE-THE-PANT HOLSTER. This part is cataloged in the U.S.

Government catalog under NSN 4810-00-074-6455, 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
577R578H02
NSN: 4810-00-074-6455
FSC: 4810 — Valves, Powered
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
width3.75 INCHES NOMINAL IN
model_number76152
special_featuresSMOTH NYLON LINING, FOLD-OVER HOOK AND LOOP RETENTION STRAP
wearing_position_designLEFT SIDE
part_name_assigned_by_controlling_agencyINSIDE-THE-PANT HOLSTER
NSN4810-00-074-6455
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 577R578H02 · 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

No substitute or cross-reference records for this part.

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 577R578H02?
577R578H02 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What is the NSN for 577R578H02?
577R578H02 is cataloged in the U.S. Government catalog under NSN 4810-00-074-6455. 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.