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78261 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
Clementoni · ORING SEAL
PRODUCT OVERVIEW

78261: PLUG,PROTECTIVE,DUST AND MOISTUR.

A truly complete scientific kit to discover the secrets of these powerful two and four-wheeled vehicles. 2 dynamic models can be built: a dragster and a roadster, and transmission mechanisms can also be checked. Contains more than 130 interchangeable components including: gearbox, gears, rims, tyres, elastics, bars, brushes, sheaves and pins.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-200-8637, 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
78261
NSN: 5340-00-200-8637
NIINs: 002008637, 012647739
FSC: 5340 — Hardware, Commercial
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialPLASTIC
drive_typeSCREW SLOT OR SERRATED
design_typeTHREADED
overall_diameter0.375 INCHES NOMINAL IN
end_item_identificationMRAP BUFFALO MK2A2
thread_size_and_series/type_designator3/8-18 NPT
NSN5340-00-200-8637
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 78261 MFR: Clementoni ⚠ 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
KEY FEATURES
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 0.375 INCHES NOMINAL IN
•
DRIVE TYPE: SCREW SLOT OR SERRATED
•
MATERIAL: PLASTIC
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/8-18 NPT
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER0.375 INCHES NOMINAL IN
DRIVE TYPESCREW SLOT OR SERRATED
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
MATERIALPLASTIC
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/8-18 NPT
SUBSTITUTES & CROSS-REFERENCES 7
17KP733Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
172-30Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1604-42Reference document
Same NSN cross-reference
Reference document — Secondary reference
4400512Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
390215Reference document
Same NSN cross-reference
Reference document — Secondary reference
JE696CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78261?
78261 is a PLUG,PROTECTIVE,DUST AND MOISTUR manufactured by Clementoni.
What parts can replace 78261?
There are 7 known substitutes for 78261: 17KP733, 172-30, 1604-42 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78261?
78261 is cataloged in the U.S. Government catalog under NSN 5340-00-200-8637. This indicates validated use in U.S. government and defense supply chains.
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