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56A188B26 — SEAL,ANTIPILFERAGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

56A188B26: SEAL,ANTIPILFERAGE.

The SEAL,ANTIPILFERAGE is a the manufacturer industrial component. Key specifications include shape: ROUND WITH FLATTED SIDE(S), diameter: 0.4375 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN, material: LEAD, thickness: 0.1562 INCHES NOMINAL IN, end_item_identification: AIRCRAFT,P3-C ORION (MODEL:NA01-75PAA-2-51NE), material_document_and_classification: QQ-L-201,GR 8 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-601-1373, 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
56A188B26
NSN: 5340-01-601-1373
FSC: 5340 — Hardware, Commercial
CAGE: 02387 — NAVAL AIR WARFARE CENTER AIRCRAFT DIV (USA)
SPECIFICATIONS
shapeROUND WITH FLATTED SIDE(S)
diameter0.4375 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
materialLEAD
thickness0.1562 INCHES NOMINAL IN
hole_quantity2
end_item_identificationAIRCRAFT,P3-C ORION (MODEL:NA01-75PAA-2-51NE)
material_document_and_classificationQQ-L-201,GR 8 MIL SPEC SINGLE MATERIAL RESPONSE
wire/cord_diameter_for_which_designed0.0937 INCHES IN
part_name_assigned_by_controlling_agencySEAL,LOCK
NSN5340-01-601-1373
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 56A188B26 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-L-201,GR 8 MIL SPEC SINGLE MATERIAL RESPONSE
•
DIAMETER: 0.4375 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
•
SHAPE: ROUND WITH FLATTED SIDE(S)
•
WIRE/CORD DIAMETER FOR WHICH DESIGNED: 0.0937 INCHES IN
•
MATERIAL: LEAD
•
HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-L-201,GR 8 MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER0.4375 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
SHAPEROUND WITH FLATTED SIDE(S)
WIRE/CORD DIAMETER FOR WHICH DESIGNED0.0937 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL,LOCK
END ITEM IDENTIFICATIONAIRCRAFT,P3-C ORION (MODEL:NA01-75PAA-2-51NE)
MATERIALLEAD
HOLE QUANTITY2
THICKNESS0.1562 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 56A188B26?
56A188B26 is a SEAL,ANTIPILFERAGE.
What is the NSN for 56A188B26?
56A188B26 is cataloged in the U.S. Government catalog under NSN 5340-01-601-1373. This indicates validated use in U.S. government and defense supply chains.
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