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I-29899 — COCK,POPPET DRAIN

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

I-29899: COCK,POPPET DRAIN.

The COCK,POPPET DRAIN is a the manufacturer industrial component. Key specifications include material: STEEL, pressure_rating: 1500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: CRES; 34.500 IN. O/A LG; 7.000 IN.

LG OF EXTERNAL THD IN. This part is cataloged in the U.S. Government catalog under NSN 4820-01-571-5330, 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
I-29899
NSN: 4820-01-571-5330
FSC: 4820 — Valves, Nonpowered
CAGE: 84760 — STANADYNE CORPORATION DBA STANADYNE DIESEL SYSTEMS DIV DIESEL SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL
pressure_rating1500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresCRES; 34.500 IN. O/A LG; 7.000 IN. LG OF EXTERNAL THD IN
NSN4820-01-571-5330
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: I-29899 · 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
SUBSTITUTES & CROSS-REFERENCES 2
29899Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
IT-00068Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is I-29899?
I-29899 is a COCK,POPPET DRAIN.
What parts can replace I-29899?
There are 2 known substitutes for I-29899: 29899, IT-00068. Substitute compatibility should be verified for your specific system.
What is the NSN for I-29899?
I-29899 is cataloged in the U.S. Government catalog under NSN 4820-01-571-5330. 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.