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Technical Data Sheet
A-A-1922 ✓ 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: 1/4 /0.250/ IN. - 20 THD, overall_length: 1.500 INCHES NOMINAL IN, style_designator: SINGLE EXPANSION MACHINE SCREW, thread_provision: THREADED, features_provided: INSTALLATION SETTING TOOL, safe_operating_load_rating: 575.0 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 5340-00-297-2743, 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-1922
NSN: 5340-00-297-2743
FSC: 5340
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
insert_size1/4 /0.250/ IN. - 20 THD
unit_quantity1
overall_length1.500 INCHES NOMINAL IN
style_designatorSINGLE EXPANSION MACHINE SCREW
thread_provisionTHREADED
features_providedINSTALLATION SETTING TOOL
safe_operating_load_rating575.0 POUNDS NOMINAL LBS
hole_accommodation_diameter0.500 INCHES NOMINAL IN
insert_type_for_which_designedMACHINE BOLT OR MACHINE SCREW
NSN5340-00-297-2743
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-1922 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
INSERT TYPE FOR WHICH DESIGNED: MACHINE BOLT
UNIT QUANTITY: 1
INSERT SIZE: 1/4 /0.250/ IN. DIA
SAFE OPERATING LOAD RATING: 125.0 POUNDS NOMINAL LBS
STYLE DESIGNATOR: SINGLE EXPANSION MACHINE SCREW
FEATURES PROVIDED: INSTALLATION SETTING TOOL
THREAD PROVISION: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
INSERT TYPE FOR WHICH DESIGNEDMACHINE BOLT
UNIT QUANTITY1
INSERT SIZE1/4 /0.250/ IN. DIA
SAFE OPERATING LOAD RATING125.0 POUNDS NOMINAL LBS
STYLE DESIGNATORSINGLE EXPANSION MACHINE SCREW
FEATURES PROVIDEDINSTALLATION SETTING TOOL
THREAD PROVISIONTHREADED
OVERALL LENGTH0.750 INCHES NOMINAL IN
HOLE ACCOMMODATION DIAMETER0.250 INCHES NOMINAL IN
HEAD STYLEFLAT COUNTERSUNK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
FF-S-325Interchangeable
interchangeable cross-reference
interchangeable
A-A-1922Interchangeable
interchangeable cross-reference
interchangeable
PT3060Interchangeable
interchangeable cross-reference
interchangeable
3060Interchangeable
interchangeable cross-reference
interchangeable
3080Interchangeable
interchangeable cross-reference
interchangeable
9240Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-1922?
A-A-1922 is a SHIELD,EXPANSION.
What parts can replace A-A-1922?
There are 7 known substitutes for A-A-1922: FF-S-325, A-A-1922, PT3060 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-1922?
A-A-1922 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-297-2743. This indicates validated use in U.S. government and defense supply chains.
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