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112982-1 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

112982-1: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE, outside_diameter: 1.125 INCHES NOMINAL IN, special_features: ITEM MUST BE CLEANED AND PACKAGED FOR LIQUID OXYGEN SERVICE, media_for_which_designed: OXYGEN, LIQUID, criticality_code_justification: FEAT, material_document_and_classification: KEL-F-81, COD, CAGEC 14487 MFR REF SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-329-8657, 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
112982-1
NSN: 4820-01-329-8657
FSC: 4820 — Valves, Nonpowered
CAGE: 14487 — PROVISION, INC. DBA PROVISION INC (USA)
SPECIFICATIONS
materialPLASTIC POLYCHLOROTRIFLUOROETHYLENE
outside_diameter1.125 INCHES NOMINAL IN
special_featuresITEM MUST BE CLEANED AND PACKAGED FOR LIQUID OXYGEN SERVICE
media_for_which_designedOXYGEN, LIQUID
criticality_code_justificationFEAT
material_document_and_classificationKEL-F-81, COD, CAGEC 14487 MFR REF SINGLE MATERIAL RESPONSE
NSN4820-01-329-8657
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 112982-1 · 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
•
OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: KEL-F-81, COD, CAGEC 14487 MFR REF SINGLE MATERIAL RESPONSE
•
MEDIA FOR WHICH DESIGNED: OXYGEN, LIQUID
•
MATERIAL: PLASTIC POLYCHLOROTRIFLUOROETHYLENE
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONKEL-F-81, COD, CAGEC 14487 MFR REF SINGLE MATERIAL RESPONSE
SPECIAL FEATURESITEM MUST BE CLEANED AND PACKAGED FOR LIQUID OXYGEN SERVICE
MEDIA FOR WHICH DESIGNEDOXYGEN, LIQUID
MATERIALPLASTIC POLYCHLOROTRIFLUOROETHYLENE
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 112982-1?
112982-1 is a DISK,VALVE.
What is the NSN for 112982-1?
112982-1 is cataloged in the U.S. Government catalog under NSN 4820-01-329-8657. 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.