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AA1924-202 — SHIELD,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AA1924-202: SHIELD,EXPANSION.

The SHIELD,EXPANSION is a the manufacturer industrial component. Key specifications include insert_size: 5/16IN. -18 THD IN, overall_length: 1.125 INCHES NOMINAL IN, style_designator: SINGLE EXPANSION MACHINE SCREW, thread_provision: THREADED, features_provided: INSTALLATION SETTING TOOL, safe_operating_load_rating: 450.0 POUNDS NOMINAL LBS.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-678-4637, 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
AA1924-202
NSN: 5340-00-678-4637
FSC: 5340 — Hardware, Commercial
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
insert_size5/16IN. -18 THD IN
unit_quantity1
overall_length1.125 INCHES NOMINAL IN
style_designatorSINGLE EXPANSION MACHINE SCREW
thread_provisionTHREADED
features_providedINSTALLATION SETTING TOOL
safe_operating_load_rating450.0 POUNDS NOMINAL LBS
hole_accommodation_diameter0.468 INCHES NOMINAL IN
nondefinitive_spec/std_data3 GROUP AND 1 TYPE AND 15C FIGURE
insert_type_for_which_designedMACHINE BOLT
NSN5340-00-678-4637
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AA1924-202 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
•
HOLE ACCOMMODATION DIAMETER: 0.468 INCHES NOMINAL IN
•
INSERT SIZE: 5/16IN. -18 THD IN
•
STYLE DESIGNATOR: SINGLE EXPANSION MACHINE SCREW
•
FEATURES PROVIDED: INSTALLATION SETTING TOOL
•
INSERT TYPE FOR WHICH DESIGNED: MACHINE BOLT
•
NONDEFINITIVE SPEC/STD DATA: 3 GROUP AND 1 TYPE AND 15C FIGURE
TECHNICAL CHARACTERISTICS
THREAD PROVISIONTHREADED
HOLE ACCOMMODATION DIAMETER0.468 INCHES NOMINAL IN
INSERT SIZE5/16IN. -18 THD IN
STYLE DESIGNATORSINGLE EXPANSION MACHINE SCREW
OVERALL LENGTH1.125 INCHES NOMINAL IN
FEATURES PROVIDEDINSTALLATION SETTING TOOL
INSERT TYPE FOR WHICH DESIGNEDMACHINE BOLT
NONDEFINITIVE SPEC/STD DATA3 GROUP AND 1 TYPE AND 15C FIGURE
SAFE OPERATING LOAD RATING450.0 POUNDS NOMINAL LBS
UNIT QUANTITY1
SUBSTITUTES & CROSS-REFERENCES 2
FFS325Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-1924Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AA1924-202?
AA1924-202 is a SHIELD,EXPANSION.
What parts can replace AA1924-202?
There are 2 known substitutes for AA1924-202: FFS325, A-A-1924. Substitute compatibility should be verified for your specific system.
What is the NSN for AA1924-202?
AA1924-202 is cataloged in the U.S. Government catalog under NSN 5340-00-678-4637. This indicates validated use in U.S. government and defense supply chains.
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