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11A9X274 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

11A9X274: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 625 OVERALL, overall_width: 0.620 INCHES NOMINAL IN, overall_height: 0.620 INCHES NOMINAL IN, overall_length: 3.500 INCHES NOMINAL IN, special_features: BACK TRANSFER 5/15/08, end_item_identification: SUB ATMOSPHERE CONTROL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-471-5787, 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
11A9X274
NSN: 5315-01-471-5787
NIINs: 014715787, 014715824, 014774622
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 88032 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialNICKEL ALLOY 625 OVERALL
overall_width0.620 INCHES NOMINAL IN
overall_height0.620 INCHES NOMINAL IN
overall_length3.500 INCHES NOMINAL IN
special_featuresBACK TRANSFER 5/15/08
end_item_identificationSUB ATMOSPHERE CONTROL
material_document_and_classificationASTM-B-446, GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyKEY, IMPELLER
NSN5315-01-471-5787
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11A9X274 · 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
SPECIAL FEATURESBACK TRANSFER 5/15/08
SUBSTITUTES & CROSS-REFERENCES 1
PL14360N18ITEM11Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11A9X274?
11A9X274 is a KEY,MACHINE.
What parts can replace 11A9X274?
There is 1 known substitute for 11A9X274: PL14360N18ITEM11. Substitute compatibility should be verified for your specific system.
What is the NSN for 11A9X274?
11A9X274 is cataloged in the U.S. Government catalog under NSN 5315-01-471-5787. This indicates validated use in U.S. government and defense supply chains.
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