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3021676 — PLUNGER,AIR FLOW

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3021676: PLUNGER,AIR FLOW.

The PLUNGER,AIR FLOW is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,0.374 IN. DIA,ONE END THD 1/4-28 UNF R.H.,0.625 IN.

THD LG,3.535 IN. O/A LG IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-086-1679, 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
3021676
NSN: 5340-01-086-1679
NIINs: 010861679, 011269053
FSC: 5340 — Hardware, Commercial
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,0.374 IN. DIA,ONE END THD 1/4-28 UNF R.H.,0.625 IN. THD LG,3.535 IN. O/A LG IN
NSN5340-01-086-1679
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3021676 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
MA207-21406Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 3021676?
3021676 is a PLUNGER,AIR FLOW.
What parts can replace 3021676?
There is 1 known substitute for 3021676: MA207-21406. Substitute compatibility should be verified for your specific system.
What is the NSN for 3021676?
3021676 is cataloged in the U.S. Government catalog under NSN 5340-01-086-1679. This indicates validated use in U.S. government and defense supply chains.
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