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55781-02 — PLATE,MENDING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

55781-02: PLATE,MENDING.

The PLATE,MENDING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 1100, slot_width: 0.380 INCHES NOMINAL IN, slot_length: 0.750 INCHES NOMINAL IN, overall_width: 2.000 INCHES NOMINAL IN, overall_length: 19.400 INCHES MINIMUM AND 19.600 INCHES MAXIMUM IN, special_features: 0.375 IN. DIA.

MTG. HOLE-ONE,ON ONE END;0.630 IN. LG.,0.500 IN.

WIDE OTHER SLOTTED MTG. HOLE IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-208-0095, 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
55781-02
NSN: 5340-01-208-0095
FSC: 5340 — Hardware, Commercial
CAGE: 07703 — ATK LAUNCH SYSTEMS LLC DBA ATK LAUNCH SYSTEMS-PROMONTORY DIV PROPULSION SYSTEMS - PROMONTORY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 1100
slot_width0.380 INCHES NOMINAL IN
slot_length0.750 INCHES NOMINAL IN
overall_width2.000 INCHES NOMINAL IN
overall_length19.400 INCHES MINIMUM AND 19.600 INCHES MAXIMUM IN
special_features0.375 IN. DIA. MTG. HOLE-ONE,ON ONE END;0.630 IN. LG.,0.500 IN. WIDE OTHER SLOTTED MTG. HOLE IN
style_designatorRECTANGULAR
material_thickness0.012 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/1 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-208-0095
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55781-02 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
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/1 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL THICKNESS: 0.012 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 1100
•
SLOT WIDTH: 0.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/1 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH19.400 INCHES MINIMUM AND 19.600 INCHES MAXIMUM IN
OVERALL WIDTH2.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.012 INCHES NOMINAL IN
SPECIAL FEATURES0.375 IN. DIA. MTG. HOLE-ONE,ON ONE END;0.630 IN. LG.,0.500 IN. WIDE OTHER SLOTTED MTG. HOLE IN
MATERIALALUMINUM ALLOY 1100
SLOT WIDTH0.380 INCHES NOMINAL IN
SLOT LENGTH0.750 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 1
55781-01Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 55781-02?
55781-02 is a PLATE,MENDING.
What parts can replace 55781-02?
There is 1 known substitute for 55781-02: 55781-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 55781-02?
55781-02 is cataloged in the U.S. Government catalog under NSN 5340-01-208-0095. This indicates validated use in U.S. government and defense supply chains.
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