PartsTable
Technical Data Sheet
A-A-1923 CLASS 2 ✓ 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 insert_size: 1/2-13 THD, overall_length: 2.000 INCHES NOMINAL IN, special_features: CID A-A-1923 CLASS 2, style_designator: LAG SCREW TYPE, thread_provision: THREADED, safe_operating_load_rating: 525.0 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 5340-00-664-1340, 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 CLASS 2
NSN: 5340-00-664-1340
FSC: 5340
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
insert_size1/2-13 THD
unit_quantity1
overall_length2.000 INCHES NOMINAL IN
special_featuresCID A-A-1923 CLASS 2
style_designatorLAG SCREW TYPE
thread_provisionTHREADED
safe_operating_load_rating525.0 POUNDS NOMINAL LBS
hole_accommodation_diameter0.750 INCHES NOMINAL IN
insert_type_for_which_designedLAGSCREW
NSN5340-00-664-1340
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-1923 CLASS 2 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: 525.0 POUNDS NOMINAL LBS
THREAD PROVISION: THREADED
INSERT TYPE FOR WHICH DESIGNED: LAGSCREW
INSERT SIZE: 1/2-13 THD
STYLE DESIGNATOR: LAG SCREW TYPE
UNIT QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
SAFE OPERATING LOAD RATING525.0 POUNDS NOMINAL LBS
THREAD PROVISIONTHREADED
INSERT TYPE FOR WHICH DESIGNEDLAGSCREW
INSERT SIZE1/2-13 THD
STYLE DESIGNATORLAG SCREW TYPE
UNIT QUANTITY1
SPECIAL FEATURESCID A-A-1923 CLASS 2
OVERALL LENGTH2.000 INCHES NOMINAL IN
HOLE ACCOMMODATION DIAMETER0.750 INCHES NOMINAL IN
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
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 CLASS 2?
A-A-1923 CLASS 2 is a SHIELD,EXPANSION.
What parts can replace A-A-1923 CLASS 2?
There are 6 known substitutes for A-A-1923 CLASS 2: FFS325, PT6212DIAM0NDNY, PT6312DIAM0NDNY and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-1923 CLASS 2?
A-A-1923 CLASS 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-664-1340. This indicates validated use in U.S. government and defense supply chains.
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