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21728 — MUFFLER,EXHAUST

✓ Government record, cited
Clementoni · ORING SEAL
PRODUCT OVERVIEW

21728: MUFFLER,EXHAUST.

Universal VR glasses: insert your smartphone and enjoy immersive VR games, movies and videos in astonishing 3D reality - Enjoy the 3D Virtual Reality experience with your own phone - Works with every smartphone up to 6" - Watch 3D and 360° videos on Youtube and other video services - Play over 100 VR games already available in Apple App Store and Google Play store - Discover Augmented Reality in catalogues, brochures, museums, videos and many other places - Adjustable head strap, pupil distance (IPD) and focus distance - Comfortable soft rubber padding - Holes for all cable connections to your phone (USB, audio, charging) - Camera door for Augmented Reality support This part is cataloged in the U.S. Government catalog under NSN 5330-00-918-3382, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
21728
NSN: 5330-00-918-3382
NIINs: 009183382, 011125737
FSC: 5330 — Packing and Gasket Materials
CAGE: 98810 — AEROSONIC LLC (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
design_typeDRY
coolant_typeWATER
inlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
muffler_designSTRAIGHT THROUGH
overall_length17.750 INCHES NOMINAL IN
outlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
overall_diameter3.000 INCHES NOMINAL IN
operating_positionUNIVERSAL
inlet_connection_typeUNTHREADED SINGLE INLET
inlet_inside_diameter1.625 INCHES NOMINAL SINGLE INLET IN
NSN5330-00-918-3382
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21728 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
•
CROSS-SECTIONAL THICKNESS: 0.010 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 3.072 INCHES MINIMUM AND 3.082 INCHES MAXIMUM IN
•
OUTSIDE CORNER BEVEL LENGTH ALONG WIDTH: 0.398 INCHES NOMINAL IN
•
OUTSIDE CORNER BEVEL LENGTH ALONG LENGTH: 0.398 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 1.368 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
OVERALL LENGTH3.180 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER3.072 INCHES MINIMUM AND 3.082 INCHES MAXIMUM IN
OUTSIDE CORNER BEVEL LENGTH ALONG WIDTH0.398 INCHES NOMINAL IN
OUTSIDE CORNER BEVEL LENGTH ALONG LENGTH0.398 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.368 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESONE HOLE NEAR BOTTOM LEFT CORNER BEVEL 1.163 IN. FROM HORIZONTAL AND VERTICAL CENTERLINES. TWO EXTENSIONS ON APERTURE TOP NEAR CORNER BEVELS WITH A RADIUS OF 0.250 IN. IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.368 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
HOLE DIAMETER0.093 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 21728?
21728 is a MUFFLER,EXHAUST manufactured by Clementoni.
What is the NSN for 21728?
21728 is cataloged in the U.S. Government catalog under NSN 5330-00-918-3382. This indicates validated use in U.S. government and defense supply chains.
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