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31P — AIR CLEANER,INTAKE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

31P: AIR CLEANER,INTAKE.

The AIR CLEANER,INTAKE is a the manufacturer industrial component. Key specifications include shape: ROUND, material: PAPER, part_name_assigned_by_controlling_agency: FILTER ELEMENT POLYESTER 195 SCFM. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-609-9926, 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
31P
NSN: 4820-00-609-9926
NIINs: 006099926, 017275185
FSC: 4820 — Valves, Nonpowered
CAGE: 24522 — HUMPHREY PRODUCTS CO (USA)
SPECIFICATIONS
shapeROUND
materialPAPER
part_name_assigned_by_controlling_agencyFILTER ELEMENT POLYESTER 195 SCFM
NSN4820-00-609-9926
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31P · 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
•
FLOW CONTROL DEVICE: PISTON
•
FURNISHED ITEMS AND QUANTITY: 2 NUT
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: CROSS W/OFFSET
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
OFFSET DISTANCE: 0.688 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPISTON
FURNISHED ITEMS AND QUANTITY2 NUT
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORCROSS W/OFFSET
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
OFFSET DISTANCE0.688 INCHES IN
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE DEGF
SUBSTITUTES & CROSS-REFERENCES 3
4820PL1443398Reference document
Same NSN cross-reference
Reference document — Informative reference only
7M657Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
7M657-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31P?
31P is a AIR CLEANER,INTAKE.
What parts can replace 31P?
There are 3 known substitutes for 31P: 4820PL1443398, 7M657, 7M657-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 31P?
31P is cataloged in the U.S. Government catalog under NSN 4820-00-609-9926. 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.