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732037-4 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

732037-4: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, hole_diameter: 0.6246 INCHES MINIMUM AND 0.6259 INCHES MAXIMUM IN, heat_treatment: AS FABRICATED, hardness_rating: 37.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM, overall_diameter: 1.060 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-137-8039, 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
732037-4
NSN: 5310-00-137-8039
FSC: 5310 — Nuts and Washers
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
hole_diameter0.6246 INCHES MINIMUM AND 0.6259 INCHES MAXIMUM IN
heat_treatmentAS FABRICATED
hardness_rating37.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
overall_diameter1.060 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
criticality_code_justificationFEAT
material_document_and_classificationHS178,FSCM 73030 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-137-8039
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 732037-4 · 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
•
OVERALL DIAMETER: 1.060 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
•
HEAT TREATMENT: AS FABRICATED
•
HARDNESS RATING: 37.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: HS178,FSCM 73030 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.060 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
HEAT TREATMENTAS FABRICATED
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONHS178,FSCM 73030 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESTHIS PART IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION, OR THEPRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL,AS DETERMINED BY THE DAF,B-1B SYSTEM PROGRAM OFFICE TECHNICAL CONTENT MANAGER.ACTION ID 45534589
PERIPHERAL SHAPE STYLEROUND
TEST DATA DOCUMENT73030-HS447 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.).
MATERIALSTEEL OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 732037-4?
732037-4 is a WASHER,FLAT.
What is the NSN for 732037-4?
732037-4 is cataloged in the U.S. Government catalog under NSN 5310-00-137-8039. This indicates validated use in U.S. government and defense supply chains.
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