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236-1170P16 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

236-1170P16: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.056 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN, hole_diameter: 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN, overall_diameter: 0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-770-1891, 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
236-1170P16
NSN: 5310-00-770-1891
FSC: 5310 — Nuts and Washers
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.056 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
hole_diameter0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
overall_diameter0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-766,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-770-1891
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 236-1170P16 · 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: 0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MINIMUM TENSILE STRENGTH: 60000 POUNDS PER SQUARE INCH LBS
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
THICKNESS0.056 INCHES MINIMUM AND 0.071 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 236-1170P16?
236-1170P16 is a WASHER,FLAT.
What is the NSN for 236-1170P16?
236-1170P16 is cataloged in the U.S. Government catalog under NSN 5310-00-770-1891. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.