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12591820 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12591820: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.402 INCHES NOMINAL IN, overall_height: 0.065 INCHES NOMINAL IN, hardness_rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM, outside_diameter: 0.906 INCHES NOMINAL IN, style_designator: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-341-4753, 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
12591820
NSN: 5310-01-341-4753
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.402 INCHES NOMINAL IN
overall_height0.065 INCHES NOMINAL IN
hardness_rating44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
outside_diameter0.906 INCHES NOMINAL IN
style_designatorSPRING TENSION
surface_treatmentCHROMATE OR CADMIUM OVERALL
material_thickness0.0354 INCHES NOMINAL IN
end_item_identificationUSED ON ABF334 AR5
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TYPE 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-341-4753
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12591820 · 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: QQ-P-416,TYPE 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TYPE 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPRING TENSION
•
OUTSIDE DIAMETER: 0.906 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.0354 INCHES NOMINAL IN
•
SURFACE TREATMENT: CHROMATE OR CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.065 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562,TYPE 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER0.906 INCHES NOMINAL IN
MATERIAL THICKNESS0.0354 INCHES NOMINAL IN
SURFACE TREATMENTCHROMATE OR CADMIUM OVERALL
END ITEM IDENTIFICATIONUSED ON ABF334 AR5
MATERIALSTEEL OVERALL
HOLE DIAMETER0.402 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12591820?
12591820 is a WASHER,SPRING TENSION.
What is the NSN for 12591820?
12591820 is cataloged in the U.S. Government catalog under NSN 5310-01-341-4753. This indicates validated use in U.S. government and defense supply chains.
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