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1000-12-21 — BALL,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1000-12-21: BALL,CHECK.

The BALL,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, design_type: STRAIGHT, thread_class: 2B, overall_width: 1.375 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 2.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-155-3063, 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
1000-12-21
NSN: 4820-00-155-3063
NIINs: 001553063, 013526432
FSC: 4820 — Valves, Nonpowered
CAGE: 59462 — TEMPLETON KENLY AND CO INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
design_typeSTRAIGHT
thread_class2B
overall_width1.375 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length2.250 INCHES NOMINAL IN
surface_treatmentCHROMATE
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationALLOY 6061, T6 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE
NSN4820-00-155-3063
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1000-12-21 · 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
•
SPHERICAL DIAMETER: 0.312 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SPHERICAL DIAMETER0.312 INCHES NOMINAL IN
MATERIALSTEEL
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 1000-12-21?
1000-12-21 is a BALL,CHECK.
What is the NSN for 1000-12-21?
1000-12-21 is cataloged in the U.S. Government catalog under NSN 4820-00-155-3063. 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.