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227281 — FITTING,AIR,INNER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

227281: FITTING,AIR,INNER.

The FITTING,AIR,INNER is a the manufacturer industrial component. Key specifications include end_item_identification: HELICOPTER MODEL H-2, general_characteristics_item_description: ALUMINUM,PER QQ-A-225/8,ALLOY L061-T6; 1.625 IN. OD FLANGED END,1.350 IN.

O/A LG IN. This part is cataloged in the U.S. Government catalog under NSN 5315-00-282-0270, 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
227281
NSN: 5315-00-282-0270
NIINs: 002820270, 012466362, 012954736
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 44674 — THE OILGEAR COMPANY DBA JIFFY LUBE 213 DIV OILGEAR (USA)
SPECIFICATIONS
end_item_identificationHELICOPTER MODEL H-2
general_characteristics_item_descriptionALUMINUM,PER QQ-A-225/8,ALLOY L061-T6; 1.625 IN. OD FLANGED END,1.350 IN. O/A LG IN
NSN5315-00-282-0270
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 227281 · 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
KEY FEATURES
•
SURFACE FINISH: 16.0 MICROINCHES OUTSIDE DIAMETER
•
FIRST END STYLE: OVAL
•
HARDNESS RATING: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
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PIN OVERALL DIAMETER: 0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.779 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
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SURFACE TREATMENT: OXIDE FILM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH16.0 MICROINCHES OUTSIDE DIAMETER
FIRST END STYLEOVAL
HARDNESS RATING50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
PIN OVERALL DIAMETER0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.779 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SURFACE TREATMENTOXIDE FILM OVERALL
MATERIALSTEEL OVERALL
FIRST END OUTER RADIUS0.390 INCHES NOMINAL IN
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 227281?
227281 is a FITTING,AIR,INNER.
What is the NSN for 227281?
227281 is cataloged in the U.S. Government catalog under NSN 5315-00-282-0270. This indicates validated use in U.S. government and defense supply chains.
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