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68-XA-4 — GEAR AND SHAFT ASSEMBLY,HELICAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

68-XA-4: GEAR AND SHAFT ASSEMBLY,HELICAL.

GEAR AND SHAFT ASSEMBLY,HELICAL. Key specifications include end_item_identification: 16 INCH BLEEDER SWING CHECK VALVE IN, part_name_assigned_by_controlling_agency: ROCKSHAFT ASS WITH KEYS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-461-2964, 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
68-XA-4
NSN: 4820-01-461-2964
NIINs: 014612964, 014612977, 015533134, 017289483
FSC: 4820 — Valves, Nonpowered
CAGE: 53553 — AMETEK INC SCHUTTE AND KOERTING DIV (USA)
SPECIFICATIONS
end_item_identification16 INCH BLEEDER SWING CHECK VALVE IN
part_name_assigned_by_controlling_agencyROCKSHAFT ASS WITH KEYS
NSN4820-01-461-2964
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 68-XA-4 · 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
•
VALVE TYPE FOR WHICH DESIGNED: CHECK
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 16INCH,BLEEDER SWG/CHK VALVE IN
•
MATERIAL: STEEL
•
ATTACHMENT METHOD: BOLTS
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDCHECK
VALVE MODEL NUMBER FOR WHICH DESIGNED16INCH,BLEEDER SWG/CHK VALVE IN
END ITEM IDENTIFICATIONW/S NIMITZ CLASS CVN
MATERIALSTEEL
ATTACHMENT METHODBOLTS
SUBSTITUTES & CROSS-REFERENCES 2
67-G-71Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
67-G-103Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 68-XA-4?
68-XA-4 is a GEAR AND SHAFT ASSEMBLY,HELICAL.
What parts can replace 68-XA-4?
There are 2 known substitutes for 68-XA-4: 67-G-71, 67-G-103. Substitute compatibility should be verified for your specific system.
What is the NSN for 68-XA-4?
68-XA-4 is cataloged in the U.S. Government catalog under NSN 4820-01-461-2964. 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.