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180788-1 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

180788-1: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, hole_diameter: 0.212 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, heat_treatment: F-AS FABRICATED, shoulder_height: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, outside_diameter: 2.610 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-172-6898, 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
180788-1
NSN: 5310-00-172-6898
FSC: 5310 — Nuts and Washers
CAGE: 71791 — CURTISS-WRIGHT CONTROLS, INC. DBA CURTISS WRIGHT DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
hole_diameter0.212 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
heat_treatmentF-AS FABRICATED
shoulder_height0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
outside_diameter2.610 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter2.190 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
material_thickness0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-225/8,T6 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-700/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-172-6898
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 180788-1 · 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
•
SHOULDER HEIGHT: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
HEAT TREATMENT: F-AS FABRICATED
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8,T6 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-700/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.610 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 2.190 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
HEAT TREATMENTF-AS FABRICATED
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-700/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.610 INCHES MINIMUM AND 2.620 INCHES MAXIMUM IN
MATERIAL THICKNESS0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
SHOULDER DIAMETER2.190 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
TEST DATA DOCUMENT81349-MIL-I-6866 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
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 180788-1?
180788-1 is a WASHER,SHOULDERED.
What is the NSN for 180788-1?
180788-1 is cataloged in the U.S. Government catalog under NSN 5310-00-172-6898. This indicates validated use in U.S. government and defense supply chains.
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