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8528840 — SHIELD,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8528840: SHIELD,EXPANSION.

The SHIELD,EXPANSION is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY, insert_size: 1/4 (0.250) IN. -20 THD, overall_length: 0.906 INCHES NOMINAL IN, style_designator: SINGLE EXPANSION MACHINE SCREW, thread_provision: THREADED, features_provided: CLOSED END AND INSTALLATION SETTING TOOL.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-616-5713, 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
8528840
NSN: 5340-00-616-5713
FSC: 5340 — Hardware, Commercial
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialZINC ALLOY
insert_size1/4 (0.250) IN. -20 THD
unit_quantity2
overall_length0.906 INCHES NOMINAL IN
style_designatorSINGLE EXPANSION MACHINE SCREW
thread_provisionTHREADED
features_providedCLOSED END AND INSTALLATION SETTING TOOL
safe_operating_load_rating200.0 POUNDS NOMINAL LBS
hole_accommodation_diameter0.500 INCHES NOMINAL IN
insert_type_for_which_designedMACHINE BOLT
NSN5340-00-616-5713
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8528840 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
•
THREAD PROVISION: THREADED
•
HOLE ACCOMMODATION DIAMETER: 0.500 INCHES NOMINAL IN
•
INSERT SIZE: 1/4 (0.250) IN. -20 THD
•
STYLE DESIGNATOR: SINGLE EXPANSION MACHINE SCREW
•
FEATURES PROVIDED: CLOSED END AND INSTALLATION SETTING TOOL
•
INSERT TYPE FOR WHICH DESIGNED: MACHINE BOLT
•
SAFE OPERATING LOAD RATING: 200.0 POUNDS NOMINAL LBS
TECHNICAL CHARACTERISTICS
THREAD PROVISIONTHREADED
HOLE ACCOMMODATION DIAMETER0.500 INCHES NOMINAL IN
INSERT SIZE1/4 (0.250) IN. -20 THD
STYLE DESIGNATORSINGLE EXPANSION MACHINE SCREW
OVERALL LENGTH0.906 INCHES NOMINAL IN
FEATURES PROVIDEDCLOSED END AND INSTALLATION SETTING TOOL
INSERT TYPE FOR WHICH DESIGNEDMACHINE BOLT
SAFE OPERATING LOAD RATING200.0 POUNDS NOMINAL LBS
MATERIALZINC ALLOY
UNIT QUANTITY2
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8528840?
8528840 is a SHIELD,EXPANSION.
What is the NSN for 8528840?
8528840 is cataloged in the U.S. Government catalog under NSN 5340-00-616-5713. This indicates validated use in U.S. government and defense supply chains.
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