PartsTable
Technical Data Sheet
A-A-1923 TY4 ✓ 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 overall_length: 3.500 INCHES NOMINAL IN, special_features: TENSION LOAD IS 6940 LBS, EMBEDDED 2-3/4IN. DEEP, IN 2000 PSI STRENGTH CONCRETE LBS, style_designator: SINGLE EXPANSION MACHINE SCREW, thread_provision: THREADED, features_provided: CLOSED END, safe_operating_load_rating: 1735.0 POUNDS NOMINAL LBS.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-995-0450, 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-1923 TY4
NSN: 5340-00-995-0450
FSC: 5340
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
overall_length3.500 INCHES NOMINAL IN
special_featuresTENSION LOAD IS 6940 LBS, EMBEDDED 2-3/4IN. DEEP, IN 2000 PSI STRENGTH CONCRETE LBS
style_designatorSINGLE EXPANSION MACHINE SCREW
thread_provisionTHREADED
features_providedCLOSED END
safe_operating_load_rating1735.0 POUNDS NOMINAL LBS
hole_accommodation_diameter0.625 INCHES NOMINAL IN
insert_type_for_which_designedBOLT
NSN5340-00-995-0450
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-1923 TY4 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
SAFE OPERATING LOAD RATING: 1735.0 POUNDS NOMINAL LBS
HOLE ACCOMMODATION DIAMETER: 0.625 INCHES NOMINAL IN
INSERT TYPE FOR WHICH DESIGNED: BOLT
THREAD PROVISION: THREADED
FEATURES PROVIDED: CLOSED END
STYLE DESIGNATOR: SINGLE EXPANSION MACHINE SCREW
TECHNICAL CHARACTERISTICS (FLIS)
SAFE OPERATING LOAD RATING1735.0 POUNDS NOMINAL LBS
HOLE ACCOMMODATION DIAMETER0.625 INCHES NOMINAL IN
INSERT TYPE FOR WHICH DESIGNEDBOLT
THREAD PROVISIONTHREADED
FEATURES PROVIDEDCLOSED END
OVERALL LENGTH3.500 INCHES NOMINAL IN
SPECIAL FEATURESTENSION LOAD IS 6940 LBS, EMBEDDED 2-3/4IN. DEEP, IN 2000 PSI STRENGTH CONCRETE LBS
STYLE DESIGNATORSINGLE EXPANSION MACHINE SCREW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
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
A-A-1923Interchangeable
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-1923 TY4?
A-A-1923 TY4 is a SHIELD,EXPANSION.
What parts can replace A-A-1923 TY4?
There are 7 known substitutes for A-A-1923 TY4: FFS325, PT6212DIAM0NDNY, PT6312DIAM0NDNY and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-1923 TY4?
A-A-1923 TY4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-995-0450. This indicates validated use in U.S. government and defense supply chains.
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