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160D637006-1 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

160D637006-1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, thickness: 0.250 INCHES NOMINAL IN, hole_diameter: 0.888 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES INNER, overall_diameter: 1.940 INCHES NOMINAL IN, special_features: 45DEGREE ANGLE CHAMFER AROUND ONE OUTER EDGE ONLY. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-008-2396, 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
160D637006-1
NSN: 5310-01-008-2396
FSC: 5310 — Nuts and Washers
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
thickness0.250 INCHES NOMINAL IN
hole_diameter0.888 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES INNER
overall_diameter1.940 INCHES NOMINAL IN
special_features45DEGREE ANGLE CHAMFER AROUND ONE OUTER EDGE ONLY
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-008-2396
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 160D637006-1 · 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
•
SURFACE FINISH: 63.0 MICROINCHES INNER
•
OVERALL DIAMETER: 1.940 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 4340 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES INNER
OVERALL DIAMETER1.940 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURES45DEGREE ANGLE CHAMFER AROUND ONE OUTER EDGE ONLY
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 4340 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.888 INCHES NOMINAL IN
THICKNESS0.250 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 1
1608D637006-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 160D637006-1?
160D637006-1 is a WASHER,FLAT.
What parts can replace 160D637006-1?
There is 1 known substitute for 160D637006-1: 1608D637006-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 160D637006-1?
160D637006-1 is cataloged in the U.S. Government catalog under NSN 5310-01-008-2396. 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.