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8754438 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8754438: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include height: 0.320 INCHES NOMINAL IN, radius: 0.040 INCHES NOMINAL IN, material: STEEL, outside_diameter: 0.729 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN, style_designator: TRAPPED CUP, smallest_diameter: 0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-678-1423, 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
8754438
NSN: 5340-00-678-1423
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
height0.320 INCHES NOMINAL IN
radius0.040 INCHES NOMINAL IN
materialSTEEL
outside_diameter0.729 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN
style_designatorTRAPPED CUP
smallest_diameter0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE
material_thickness0.042 INCHES NOMINAL IN
material_document_and_classificationQQ-S-00640, FS 1009 TO FS 1022 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-678-1423
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8754438 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
KEY FEATURES
•
RADIUS: 0.040 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.729 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: TRAPPED CUP
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-00640, FS 1009 TO FS 1022 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL THICKNESS: 0.042 INCHES NOMINAL IN
•
HEIGHT: 0.320 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
RADIUS0.040 INCHES NOMINAL IN
OUTSIDE DIAMETER0.729 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN
STYLE DESIGNATORTRAPPED CUP
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-00640, FS 1009 TO FS 1022 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS0.042 INCHES NOMINAL IN
HEIGHT0.320 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE
MATERIALSTEEL
SMALLEST DIAMETER0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 8754438?
8754438 is a PLUG,EXPANSION.
What is the NSN for 8754438?
8754438 is cataloged in the U.S. Government catalog under NSN 5340-00-678-1423. This indicates validated use in U.S. government and defense supply chains.
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