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7239897P2 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7239897P2: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OVERALL, thickness: 0.170 INCHES NOMINAL IN, hole_diameter: 0.204 INCHES NOMINAL IN, heat_treatment: H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD, overall_diameter: 0.500 INCHES NOMINAL IN, surface_treatment: CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-312-0712, 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
7239897P2
NSN: 5310-01-312-0712
FSC: 5310 — Nuts and Washers
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052 OVERALL
thickness0.170 INCHES NOMINAL IN
hole_diameter0.204 INCHES NOMINAL IN
heat_treatmentH-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD
overall_diameter0.500 INCHES NOMINAL IN
surface_treatmentCHROMATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-A-250/8,TP H-32 FED SPEC SINGLE MATERIAL RESPONSE OR B12H17B,CAGEC 03538 MFR REF SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OR F65E-G+4-+1,GAGEC 03538 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-312-0712
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7239897P2 · 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-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OR F65E-G+4-+1,GAGEC 03538 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
HEAT TREATMENT: H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8,TP H-32 FED SPEC SINGLE MATERIAL RESPONSE OR B12H17B,CAGEC 03538 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CHROMATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: ALUMINUM ALLOY 5052 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OR F65E-G+4-+1,GAGEC 03538 MFR REF SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.500 INCHES NOMINAL IN
HEAT TREATMENTH-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8,TP H-32 FED SPEC SINGLE MATERIAL RESPONSE OR B12H17B,CAGEC 03538 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCHROMATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALALUMINUM ALLOY 5052 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.204 INCHES NOMINAL 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 7239897P2?
7239897P2 is a WASHER,FLAT.
What is the NSN for 7239897P2?
7239897P2 is cataloged in the U.S. Government catalog under NSN 5310-01-312-0712. This indicates validated use in U.S. government and defense supply chains.
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