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A-A-1925 — SHIELD,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A-A-1925: SHIELD,EXPANSION.

The SHIELD,EXPANSION is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, head_style: ROUND, fastener_type: THREADED NAIL, overall_length: 1.500 INCHES NOMINAL IN, thread_provision: UNTHREADED, recessed_drive_style: SLOT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-200-8526, 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-1925
NSN: 5340-00-200-8526
NIINs: 002008526, 009617299, 009617300, 009617302, 009617303, 009617304, 009617305
FSC: 5340 — Hardware, Commercial
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
head_styleROUND
fastener_typeTHREADED NAIL
unit_quantity1
overall_length1.500 INCHES NOMINAL IN
thread_provisionUNTHREADED
recessed_drive_styleSLOT
safe_operating_load_rating50.0 POUNDS NOMINAL LBS
hole_accommodation_diameter0.250 INCHES NOMINAL IN
insert_type_for_which_designedTHD NAIL
NSN5340-00-200-8526
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-1925 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: UNTHREADED
•
HOLE ACCOMMODATION DIAMETER: 0.250 INCHES NOMINAL IN
•
NOMINAL LENGTH: 1.750 INCHES IN
•
INSERT SIZE: 0.250
•
STYLE DESIGNATOR: MACHINE SCREW TYPE, FLANGED
•
FASTENER TYPE: NAIL
•
INSERT TYPE FOR WHICH DESIGNED: NAILED
TECHNICAL CHARACTERISTICS
THREAD PROVISIONUNTHREADED
HOLE ACCOMMODATION DIAMETER0.250 INCHES NOMINAL IN
NOMINAL LENGTH1.750 INCHES IN
INSERT SIZE0.250
STYLE DESIGNATORMACHINE SCREW TYPE, FLANGED
FASTENER TYPENAIL
OVERALL LENGTH1.500 INCHES NOMINAL IN
INSERT TYPE FOR WHICH DESIGNEDNAILED
NONDEFINITIVE SPEC/STD DATA5 GROUP AND 1 TYPE AND 1/4 BY 1 1/2 IN. SIZE IN
SAFE OPERATING LOAD RATING300.0 POUNDS NOMINAL LBS
SUBSTITUTES & CROSS-REFERENCES 2
FFS325Reference document
Same NSN cross-reference
Reference document — Secondary reference
AA1925-105Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A-A-1925?
A-A-1925 is a SHIELD,EXPANSION.
What parts can replace A-A-1925?
There are 2 known substitutes for A-A-1925: FFS325, AA1925-105. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-1925?
A-A-1925 is cataloged in the U.S. Government catalog under NSN 5340-00-200-8526. This indicates validated use in U.S. government and defense supply chains.
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