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6774398 — VALVE,LOCKUP SHIFT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6774398: VALVE,LOCKUP SHIFT.

The VALVE,LOCKUP SHIFT is a the manufacturer industrial component. Key specifications include type/model_designation: TX100=1A A, end_item_identification: GROUP/ASSY NO 6774493. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-228-4919, 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
6774398
NSN: 4820-01-228-4919
FSC: 4820 — Valves, Nonpowered
CAGE: 6H244 — THE W.W. WILLIAMS COMPANY, LLC (USA)
SPECIFICATIONS
type/model_designationTX100=1A A
end_item_identificationGROUP/ASSY NO 6774493
NSN4820-01-228-4919
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6774398 · 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
•
REFERENCE DATA AND LITERATURE: TRANSMISSION ENGINEERING PART LIST NO 9132 PAGE 12
•
TYPE/MODEL DESIGNATION: TX100=1A A
TECHNICAL CHARACTERISTICS
REFERENCE DATA AND LITERATURETRANSMISSION ENGINEERING PART LIST NO 9132 PAGE 12
END ITEM IDENTIFICATIONGROUP/ASSY NO 6774493
TYPE/MODEL DESIGNATIONTX100=1A A
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6774398?
6774398 is a VALVE,LOCKUP SHIFT.
What is the NSN for 6774398?
6774398 is cataloged in the U.S. Government catalog under NSN 4820-01-228-4919. 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.