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712021213 — RING BACKING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

712021213: RING BACKING.

The RING BACKING is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: PLASTIC,POLYTETRAFLUOROETHYLENE,RECTANGULAR CROSS-SECTION SHAPE W/O JOINT,0.750 IN. ID,0.812 IN.

OD,0.128 IN. THK IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-467-8973, 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
712021213
NSN: 4820-00-467-8973
FSC: 4820 — Valves, Nonpowered
CAGE: K0654 — SAFRAN LANDING SYSTEMS UK LTD DIV SAFRAN LANDING SYSTEMS UK (GBR)
SPECIFICATIONS
general_characteristics_item_descriptionPLASTIC,POLYTETRAFLUOROETHYLENE,RECTANGULAR CROSS-SECTION SHAPE W/O JOINT,0.750 IN. ID,0.812 IN. OD,0.128 IN. THK IN
NSN4820-00-467-8973
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 712021213 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: PLASTIC,POLYTETRAFLUOROETHYLENE,RECTANGULAR CROSS-SECTION SHAPE W/O JOINT,0.750 IN. ID,0.812 IN. OD,0.128 IN. THK IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONPLASTIC,POLYTETRAFLUOROETHYLENE,RECTANGULAR CROSS-SECTION SHAPE W/O JOINT,0.750 IN. ID,0.812 IN. OD,0.128 IN. THK IN
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 1
99-1448130Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 712021213?
712021213 is a RING BACKING.
What parts can replace 712021213?
There is 1 known substitute for 712021213: 99-1448130. Substitute compatibility should be verified for your specific system.
What is the NSN for 712021213?
712021213 is cataloged in the U.S. Government catalog under NSN 4820-00-467-8973. 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.