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2HP411 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2HP411: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.030 INCHES NOMINAL IN, hole_diameter: 0.500 INCHES NOMINAL IN, overall_diameter: 1.000 INCHES NOMINAL IN, special_features: NYLON; PART OF REAR PASSENGER SEAT P/N 153866-197197N; TM 9-2320-360-24P FIG 212, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-367-1491, 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
2HP411
NSN: 5310-01-367-1491
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
thickness0.030 INCHES NOMINAL IN
hole_diameter0.500 INCHES NOMINAL IN
overall_diameter1.000 INCHES NOMINAL IN
special_featuresNYLON; PART OF REAR PASSENGER SEAT P/N 153866-197197N; TM 9-2320-360-24P FIG 212
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationNSN 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER)
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-367-1491
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2HP411 · 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: 1.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
THICKNESS: 0.030 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESNYLON; PART OF REAR PASSENGER SEAT P/N 153866-197197N; TM 9-2320-360-24P FIG 212
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONNSN 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER)
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.500 INCHES NOMINAL IN
THICKNESS0.030 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
707311Reference 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 2HP411?
2HP411 is a WASHER,FLAT.
What parts can replace 2HP411?
There is 1 known substitute for 2HP411: 707311. Substitute compatibility should be verified for your specific system.
What is the NSN for 2HP411?
2HP411 is cataloged in the U.S. Government catalog under NSN 5310-01-367-1491. 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.