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Technical Data Sheet
A-A-1924 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SHIELD,EXPANSION is a the manufacturer industrial component. Key specifications include material: STEEL, insert_size: 3/8 (0.375) IN. - 16 THD, overall_length: 1.312 INCHES NOMINAL IN, thread_provision: THREADED, features_provided: CLOSED END AND INSTALLATION SETTING TOOL, surface_treatment: ZINC OR CADMIUM.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-567-5686, 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
A-A-1924
NSN: 5340-00-567-5686
FSC: 5340
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL
insert_size3/8 (0.375) IN. - 16 THD
unit_quantity1
overall_length1.312 INCHES NOMINAL IN
thread_provisionTHREADED
features_providedCLOSED END AND INSTALLATION SETTING TOOL
surface_treatmentZINC OR CADMIUM
safe_operating_load_rating400.0 POUNDS NOMINAL LBS
hole_accommodation_diameter0.406 INCHES NOMINAL IN
insert_type_for_which_designedMACHINE BOLT
NSN5340-00-567-5686
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-1924 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
MATERIAL: STEEL OR STEEL CORROSION RESISTING
THREAD PROVISION: THREADED
INSERT TYPE FOR WHICH DESIGNED: MACHINE BOLT OR MACHINE SCREW
SAFE OPERATING LOAD RATING: 925.0 POUNDS NOMINAL LBS
FEATURES PROVIDED: CLOSED END
UNIT QUANTITY: 1
INSERT SIZE: 1/2-13 THD
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBOLT DIAMETER 0.500 IN.; DEPTH OF THREAD 0.250 IN.; PULLOUT LOAD 3700 POUNDS LBS
MATERIALSTEEL OR STEEL CORROSION RESISTING
THREAD PROVISIONTHREADED
INSERT TYPE FOR WHICH DESIGNEDMACHINE BOLT OR MACHINE SCREW
SAFE OPERATING LOAD RATING925.0 POUNDS NOMINAL LBS
FEATURES PROVIDEDCLOSED END
UNIT QUANTITY1
INSERT SIZE1/2-13 THD
OVERALL LENGTH1.937 INCHES NOMINAL IN
SURFACE TREATMENTZINC OR CADMIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
FFS325Upgraded Successor
successor cross-reference
successor
PT6212DIAM0NDNYUpgraded Successor
successor cross-reference
successor
PT6312DIAM0NDNYUpgraded Successor
successor cross-reference
successor
FFS325GP4TYPE1Upgraded Successor
successor cross-reference
successor
PT6416DIAM0NDNYUpgraded Successor
successor cross-reference
successor
S12Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-1924?
A-A-1924 is a SHIELD,EXPANSION.
What parts can replace A-A-1924?
There are 6 known substitutes for A-A-1924: FFS325, PT6212DIAM0NDNY, PT6312DIAM0NDNY and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-1924?
A-A-1924 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-567-5686. This indicates validated use in U.S. government and defense supply chains.
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