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1F3919 PIECE 49 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1F3919 PIECE 49: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include end_item_identification: PUMP CTFGL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-312-2922, 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
1F3919 PIECE 49
NSN: 5315-01-312-2922
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
end_item_identificationPUMP CTFGL
NSN5315-01-312-2922
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1F3919 PIECE 49 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONPUMP CTFGL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
IF3919 PIECE 49Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 1F3919 PIECE 49?
1F3919 PIECE 49 is a KEY,MACHINE.
What parts can replace 1F3919 PIECE 49?
There is 1 known substitute for 1F3919 PIECE 49: IF3919 PIECE 49. Substitute compatibility should be verified for your specific system.
What is the NSN for 1F3919 PIECE 49?
1F3919 PIECE 49 is cataloged in the U.S. Government catalog under NSN 5315-01-312-2922. This indicates validated use in U.S. government and defense supply chains.
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