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6125-8 — VALVE,RESTRICTOR CHECK

✓ Government record, cited
Hama · GATE VALVE
PRODUCT OVERVIEW

6125-8: VALVE,RESTRICTOR CHECK.

- elegant aluminium frame - including prepunched passepartouts - round ground, quality washed glass - precision mitring - including heavy load mount with mounting template - matt-eloxy aluminium profile for stylish living This part is cataloged in the U.S. Government catalog under NSN 4820-01-159-4523, 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
6125-8
NSN: 4820-01-159-4523
NIINs: 011594523, 012380970, 013008610
FSC: 4820 — Valves, Nonpowered
CAGE: 06177 — PNEUDRAULICS, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
NSN4820-01-159-4523
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6125-8 · Hama ⚠ 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
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FLOW CONTROL DEVICE: POPPET
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CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
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MOUNTING POSITION: HORIZONTAL
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CRITICALITY CODE JUSTIFICATION: FEAT
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CONNECTION TYPE: THREADED INTERNAL BOSS FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END
MOUNTING POSITIONHORIZONTAL
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
STYLE DESIGNATORSTRAIGHT THRU
APERTURE DIAMETER0.030 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND SECOND END
SUBSTITUTES & CROSS-REFERENCES 1
A51H9221-5Reference document
Same NSN cross-reference
Reference document — Secondary 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 6125-8?
6125-8 is a VALVE,RESTRICTOR CHECK manufactured by Hama.
What parts can replace 6125-8?
There is 1 known substitute for 6125-8: A51H9221-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 6125-8?
6125-8 is cataloged in the U.S. Government catalog under NSN 4820-01-159-4523. 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.