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1-1267-37-3 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1-1267-37-3: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, hole_diameter: 0.143 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN, outside_diameter: 0.540 INCHES NOMINAL IN, special_features: CUT OFF TANGENT TO SHOULDER,ALSOCUT OFF ON EACH SIDE OF TANGENT LINE 0.120 IN FROM CIRCUMFERENCE AT A 45 DEGREE ANGLE IN, shoulder_diameter: 0.220 INCHES NOMINAL IN, surface_treatment: ANODIZE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-489-7182, 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
1-1267-37-3
NSN: 5310-00-489-7182
FSC: 5310 — Nuts and Washers
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
hole_diameter0.143 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
outside_diameter0.540 INCHES NOMINAL IN
special_featuresCUT OFF TANGENT TO SHOULDER,ALSOCUT OFF ON EACH SIDE OF TANGENT LINE 0.120 IN FROM CIRCUMFERENCE AT A 45 DEGREE ANGLE IN
shoulder_diameter0.220 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
material_thickness0.050 INCHES NOMINAL IN
material_document_and_classificationQQ-A-225-6B,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-489-7182
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1-1267-37-3 · 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 TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225-6B,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.540 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.220 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225-6B,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.540 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
SHOULDER DIAMETER0.220 INCHES NOMINAL IN
SPECIAL FEATURESCUT OFF TANGENT TO SHOULDER,ALSOCUT OFF ON EACH SIDE OF TANGENT LINE 0.120 IN FROM CIRCUMFERENCE AT A 45 DEGREE ANGLE IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 6061 OVERALL
HOLE DIAMETER0.143 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1-1267-37-3?
1-1267-37-3 is a WASHER,SHOULDERED.
What is the NSN for 1-1267-37-3?
1-1267-37-3 is cataloged in the U.S. Government catalog under NSN 5310-00-489-7182. This indicates validated use in U.S. government and defense supply chains.
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