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AA1923-403 — SHIELD,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AA1923-403: SHIELD,EXPANSION.

The SHIELD,EXPANSION is a the manufacturer industrial component. Key specifications include material: STEEL, fastener_type: NUT, overall_length: 3.000 INCHES NOMINAL IN, thread_provision: THREADED, surface_treatment: ZINC, safe_operating_load_rating: 375.0 POUNDS NOMINAL LBS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-652-7553, 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
AA1923-403
NSN: 5340-01-652-7553
FSC: 5340 — Hardware, Commercial
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL
fastener_typeNUT
unit_quantity1
overall_length3.000 INCHES NOMINAL IN
thread_provisionTHREADED
surface_treatmentZINC
safe_operating_load_rating375.0 POUNDS NOMINAL LBS
hole_accommodation_diameter0.250 INCHES NOMINAL IN
insert_type_for_which_designedNUT
NSN5340-01-652-7553
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AA1923-403 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: 0.250 INCHES NOMINAL IN
•
FASTENER TYPE: NUT
•
INSERT TYPE FOR WHICH DESIGNED: NUT
•
SAFE OPERATING LOAD RATING: 375.0 POUNDS NOMINAL LBS
•
SURFACE TREATMENT: ZINC
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
THREAD PROVISIONTHREADED
HOLE ACCOMMODATION DIAMETER0.250 INCHES NOMINAL IN
FASTENER TYPENUT
OVERALL LENGTH3.000 INCHES NOMINAL IN
INSERT TYPE FOR WHICH DESIGNEDNUT
SAFE OPERATING LOAD RATING375.0 POUNDS NOMINAL LBS
SURFACE TREATMENTZINC
MATERIALSTEEL
UNIT QUANTITY1
SUBSTITUTES & CROSS-REFERENCES 1
A-A-1923Reference 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 AA1923-403?
AA1923-403 is a SHIELD,EXPANSION.
What parts can replace AA1923-403?
There is 1 known substitute for AA1923-403: A-A-1923. Substitute compatibility should be verified for your specific system.
What is the NSN for AA1923-403?
AA1923-403 is cataloged in the U.S. Government catalog under NSN 5340-01-652-7553. This indicates validated use in U.S. government and defense supply chains.
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