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61AX120 — VALVE,PURGE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

61AX120: VALVE,PURGE.

The VALVE,PURGE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_width: 1.120 INCHES NOMINAL IN, overall_length: 1.250 INCHES NOMINAL IN, special_features: THREAD NPT 0.250 INCHES IN, part_name_assigned_by_controlling_agency: COCKS DRAIN WITH THREAD SEALANT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-551-3637, 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
61AX120
NSN: 4820-01-551-3637
FSC: 4820 — Valves, Nonpowered
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_width1.120 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
special_featuresTHREAD NPT 0.250 INCHES IN
part_name_assigned_by_controlling_agencyCOCKS DRAIN WITH THREAD SEALANT
NSN4820-01-551-3637
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 61AX120 · 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
TECHNICAL CHARACTERISTICS
OVERALL LENGTH1.250 INCHES NOMINAL IN
OVERALL WIDTH1.120 INCHES NOMINAL IN
SPECIAL FEATURESTHREAD NPT 0.250 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCOCKS DRAIN WITH THREAD SEALANT
MATERIALCOPPER ALLOY
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 61AX120?
61AX120 is a VALVE,PURGE.
What is the NSN for 61AX120?
61AX120 is cataloged in the U.S. Government catalog under NSN 4820-01-551-3637. 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.