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M1170-053156 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

M1170-053156: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thickness: 0.005 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN, hole_diameter: 0.281 INCHES NOMINAL IN, overall_diameter: 0.625 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-528-6210, 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
M1170-053156
NSN: 5310-01-528-6210
FSC: 5310 — Nuts and Washers
CAGE: A196N — FORSVARETS MATERIELVERK (SWE)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
thickness0.005 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN
hole_diameter0.281 INCHES NOMINAL IN
overall_diameter0.625 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationTUG BOAT; MRAP - M-ATV
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencySTAINLESS STEEL WASHER
NSN5310-01-528-6210
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M1170-053156 · 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: 0.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 316 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYSTAINLESS STEEL WASHER
END ITEM IDENTIFICATIONTUG BOAT; MRAP - M-ATV
MATERIALSTEEL COMP 316 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.281 INCHES NOMINAL IN
THICKNESS0.005 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
91950A029Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4-0065Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M1170-053156?
M1170-053156 is a WASHER,FLAT.
What parts can replace M1170-053156?
There are 2 known substitutes for M1170-053156: 91950A029, 4-0065. Substitute compatibility should be verified for your specific system.
What is the NSN for M1170-053156?
M1170-053156 is cataloged in the U.S. Government catalog under NSN 5310-01-528-6210. 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.