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1399D56 — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1399D56: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: INCLUDED, material: RUBBER CHLOROPRENE CLASS CR CUSHIONING, mounting_pad: INCLUDED, overall_width: 0.750 INCHES NOMINAL IN, overall_length: 5.060 INCHES NOMINAL IN, style_designator: SADDLE ARCH. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-286-0815, 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
1399D56
NSN: 5340-01-286-0815
FSC: 5340 — Hardware, Commercial
CAGE: 83930 — TRANSDIGM INC DBA ADEL WIGGINS GROUP DIV ADEL WIGGINS (USA)
SPECIFICATIONS
cushionINCLUDED
materialRUBBER CHLOROPRENE CLASS CR CUSHIONING
mounting_padINCLUDED
overall_width0.750 INCHES NOMINAL IN
overall_length5.060 INCHES NOMINAL IN
style_designatorSADDLE ARCH
surface_treatmentALUMINUM
material_thickness0.051 INCHES NOMINAL IN
mounting_hole_size0.197 INCHES NOMINAL IN
inside_diameter/arch_length3.485 INCHES MINIMUM AND 3.515 INCHES MAXIMUM IN
material_document_and_classificationAMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHIONING
distance_between_mounting_hole_centers4.545 INCHES MINIMUM AND 4.575 INCHES MAXIMUM IN
NSN5340-01-286-0815
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1399D56 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
•
MOUNTING HOLE SIZE: 0.197 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 4.545 INCHES MINIMUM AND 4.575 INCHES MAXIMUM IN
•
MOUNTING PAD: INCLUDED
•
STYLE DESIGNATOR: SADDLE ARCH
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHIONING
•
MATERIAL THICKNESS: 0.051 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.197 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS4.545 INCHES MINIMUM AND 4.575 INCHES MAXIMUM IN
MOUNTING PADINCLUDED
STYLE DESIGNATORSADDLE ARCH
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHIONING
OVERALL LENGTH5.060 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.051 INCHES NOMINAL IN
CUSHIONINCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH3.613 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 4
TA0950026DO56CRSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S787D56Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
JM44SC76D56Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST9M558D56Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1399D56?
1399D56 is a STRAP,RETAINING.
What parts can replace 1399D56?
There are 4 known substitutes for 1399D56: TA0950026DO56CR, S787D56, JM44SC76D56 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1399D56?
1399D56 is cataloged in the U.S. Government catalog under NSN 5340-01-286-0815. This indicates validated use in U.S. government and defense supply chains.
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