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801449 — RESPIRATOR,AIR FILTERING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

801449: RESPIRATOR,AIR FILTERING.

The RESPIRATOR,AIR FILTERING is a the manufacturer industrial component. Key specifications include special_features: SOLE SOURCE REQUIRED BY STATUTE 6.302; MEDIUM; BLACK, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-397-6057, 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
801449
NSN: 4820-00-397-6057
NIINs: 003976057, 008079828, 012488054
FSC: 4820 — Valves, Nonpowered
CAGE: 96487 — VALCOR ENGINEERING CORPORATION (USA)
SPECIFICATIONS
special_featuresSOLE SOURCE REQUIRED BY STATUTE 6.302; MEDIUM; BLACK
criticality_code_justificationFEAT
NSN4820-00-397-6057
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 801449 · 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: 1.990 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.990 INCHES NOMINAL IN
SPECIAL FEATURES1.239 IN. RAISED PORTION OD IN
CENTER HOLE DIAMETER0.312 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 801449?
801449 is a RESPIRATOR,AIR FILTERING.
What is the NSN for 801449?
801449 is cataloged in the U.S. Government catalog under NSN 4820-00-397-6057. 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.