PartsTable
Technical Data Sheet
FFS325 ✓ 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: LEAD, head_style: HEXAGON, insert_size: 0.375 IN. DIA IN, fastener_type: NUT, nominal_length: 0.875 INCHES IN, overall_length: 1.000 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 5340-00-200-8526, 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
FFS325
NSN: 5340-00-200-8526
FSC: 5340
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialLEAD
head_styleHEXAGON
insert_size0.375 IN. DIA IN
fastener_typeNUT
unit_quantity1
nominal_length0.875 INCHES IN
overall_length1.000 INCHES NOMINAL IN
special_featuresADDITIONAL MATERIAL: FIBER
style_designatorSTRAIGHT
thread_provisionUNTHREADED
features_providedINSTALLATION SETTING TOOL
surface_treatmentZINC AND CHROMATE
NSN5340-00-200-8526
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FFS325 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
FASTENER TYPE: NAIL
MATERIAL: STEEL OR LEAD
STYLE DESIGNATOR: MACHINE SCREW TYPE, FLANGED
HOLE ACCOMMODATION DIAMETER: 0.250 INCHES NOMINAL IN
THREAD PROVISION: UNTHREADED
INSERT SIZE: 0.250
NOMINAL LENGTH: 1.750 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER TYPENAIL
MATERIALSTEEL OR LEAD
OVERALL LENGTH1.500 INCHES NOMINAL IN
STYLE DESIGNATORMACHINE SCREW TYPE, FLANGED
HOLE ACCOMMODATION DIAMETER0.250 INCHES NOMINAL IN
THREAD PROVISIONUNTHREADED
INSERT SIZE0.250
NOMINAL LENGTH1.750 INCHES IN
SAFE OPERATING LOAD RATING300.0 POUNDS NOMINAL LBS
NONDEFINITIVE SPEC/STD DATA5 GROUP AND 1 TYPE AND 1/4 BY 1 1/2 IN. SIZE IN
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
A-A-1925Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFS325?
FFS325 is a SHIELD,EXPANSION.
What parts can replace FFS325?
There are 7 known substitutes for FFS325: FFS325, PT6212DIAM0NDNY, PT6312DIAM0NDNY and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFS325?
FFS325 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-200-8526. This indicates validated use in U.S. government and defense supply chains.
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