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Technical Data Sheet
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180-400 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

180-400: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include end_item_identification: HIGH PRESSURE WASHER; MODEL RPW 1500, general_characteristics_item_description: SYSTEM CLEANER TAD; LIQUID; 1 QUART; 6 QUARTS PER BOX, part_name_assigned_by_controlling_agency: SHAFT BEARING. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-639-8087, 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
180-400
NSN: 5310-00-639-8087
NIINs: 006398087, 014157965, 014991792
FSC: 5310 — Nuts and Washers
CAGE: 78189 — ITW SHAKEPROOF AUTOMOTIVE PRODUCTS (USA)
SPECIFICATIONS
end_item_identificationHIGH PRESSURE WASHER; MODEL RPW 1500
general_characteristics_item_descriptionSYSTEM CLEANER TAD; LIQUID; 1 QUART; 6 QUARTS PER BOX
part_name_assigned_by_controlling_agencySHAFT BEARING
NSN5310-00-639-8087
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 180-400 · 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
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: B TYPE
•
SURFACE TREATMENT: NICKEL OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.116 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
MATERIAL THICKNESS0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAB TYPE
SURFACE TREATMENTNICKEL OVERALL
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.116 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
93610-155Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MILW6986TYPEBReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 180-400?
180-400 is a BEARING,BALL,ANNULAR.
What parts can replace 180-400?
There are 2 known substitutes for 180-400: 93610-155, MILW6986TYPEB. Substitute compatibility should be verified for your specific system.
What is the NSN for 180-400?
180-400 is cataloged in the U.S. Government catalog under NSN 5310-00-639-8087. 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.