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Technical Data Sheet
AA1923-412 ✓ 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, fastener_type: NUT, overall_length: 6.000 INCHES NOMINAL IN, thread_provision: THREADED, surface_treatment: ZINC, hole_accommodation_diameter: 0.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-081-5681, 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
AA1923-412
NSN: 5340-01-081-5681
FSC: 5340
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL
fastener_typeNUT
overall_length6.000 INCHES NOMINAL IN
thread_provisionTHREADED
surface_treatmentZINC
hole_accommodation_diameter0.500 INCHES NOMINAL IN
nondefinitive_spec/std_data2 GRADE AND 4 TYPE AND 1 CLASS
insert_type_for_which_designedSTUD BOLT
NSN5340-01-081-5681
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AA1923-412 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
NONDEFINITIVE SPEC/STD DATA: 2 GRADE AND 4 TYPE AND 1 CLASS
MATERIAL: STEEL
INSERT TYPE FOR WHICH DESIGNED: STUD BOLT
HOLE ACCOMMODATION DIAMETER: 0.500 INCHES NOMINAL IN
SURFACE TREATMENT: ZINC
FASTENER TYPE: NUT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PROVISIONTHREADED
OVERALL LENGTH6.000 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2 GRADE AND 4 TYPE AND 1 CLASS
MATERIALSTEEL
INSERT TYPE FOR WHICH DESIGNEDSTUD BOLT
HOLE ACCOMMODATION DIAMETER0.500 INCHES NOMINAL IN
SURFACE TREATMENTZINC
FASTENER TYPENUT
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
101448Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA1923-412?
AA1923-412 is a SHIELD,EXPANSION.
What parts can replace AA1923-412?
There are 7 known substitutes for AA1923-412: FFS325, PT6212DIAM0NDNY, PT6312DIAM0NDNY and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA1923-412?
AA1923-412 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-081-5681. This indicates validated use in U.S. government and defense supply chains.
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