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320881 — SCREW,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

320881: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL AND RUBBER SYNTHETIC OVERALL, thickness: 0.055 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN, hole_diameter: 0.276 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN, overall_diameter: 0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-630-9903, 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
320881
NSN: 5310-00-630-9903
NIINs: 006309903, 012159128, 013605273
FSC: 5310 — Nuts and Washers
CAGE: 05463 — WHEELABRATOR-FRYE INC BALCRANK PRODUCTS (USA)
SPECIFICATIONS
materialRUBBER NATURAL AND RUBBER SYNTHETIC OVERALL
thickness0.055 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
hole_diameter0.276 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
overall_diameter0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-630-9903
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 320881 · 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: 0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: RUBBER NATURAL AND RUBBER SYNTHETIC OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.276 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
•
THICKNESS: 0.055 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALRUBBER NATURAL AND RUBBER SYNTHETIC OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.276 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN
THICKNESS0.055 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 320881?
320881 is a SCREW,MACHINE.
What is the NSN for 320881?
320881 is cataloged in the U.S. Government catalog under NSN 5310-00-630-9903. This indicates validated use in U.S. government and defense supply chains.
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